Self-Locking Mailing Boxes

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Image of Black and white mailing box on a white background with FSC logo.
Image of Black and white cardboard box with FSC certification logo on a white background
$1.90 Inc. GST
Black Mailing Box - Small
22cm x 16cm x 8cm
Image of Open brown cardboard box on a white background with FSC logo.
Image of Brown cardboard box with FSC certification logo on a white background
$1.20 Inc. GST
Brown Mailing Boxes - Small
22cm x 16cm x 8cm
Image of Cardboard box with white outside and brown inside on a white background, featuring FSC certification logo.
Image of White cardboard box with FSC certification logo on a white background
$1.45 Inc. GST
White & Brown Mailing Box - Small
22cm x 16cm x 8cm
Image of White cardboard box with a lid on a white background, featuring FSC certification logo.
Image of White cardboard box with FSC certification logo on a white background
$1.45 Inc. GST
White Mailing Boxes - Small
22cm x 16cm x 8cm
Image of Cardboard box with pink interior on a white background
Image of White cardboard box with FSC certification logo on a white background
$1.90 Inc. GST
Pastel Pink Mailing Box - Small
22cm x 16cm x 8cm
Sold Out
Image of Cardboard box with pink interior on a white background, featuring FSC certification logo.
Image of White cardboard box with FSC logo on a white background
$1.90 Inc. GST
Bright Pink Mailing Box - Small
22cm x 16cm x 8cm
Image of Green cardboard box with FSC logo on a white background
Image of White cardboard box with FSC certification label on a white background
$1.90 Inc. GST
Pastel Green Mailing Boxes - Small
22cm x 16cm x 8cm
Image of Open cardboard box with FSC logo on a white background
Image of Brown cardboard box with FSC certification logo on a white background
$1.90 Inc. GST
Brown Mailing Boxes - Medium
24cm x 19cm x 12cm
Image of Cardboard box, white on the outside, brown on the inside, on a white background, featuring FSC certification logo.
Image of White cardboard box with FSC logo on a white background
$2.10 Inc. GST
White and Brown Mailing Box - Medium
24cm x 19cm x 12cm
Image of White cardboard box with a lid on a white background, featuring FSC certification logo.
Image of White cardboard box with FSC certification logo on a white background
$2.10 Inc. GST
White Mailing Boxes - Medium
24cm x 19cm x 12cm
Image of White box with a pink interior on a white background, featuring FSC certification logo.
Image of White cardboard box with FSC certification logo on a white background
$2.65 Inc. GST
Pastel Pink Mailing Boxes - Medium
24cm x 19cm x 12cm
Image of Bright Pink Mailing Box - Medium
Image of Bright Pink Mailing Box - Medium
$2.65 Inc. GST
Bright Pink Mailing Box - Medium
24cm x 19cm x 12cm
Image of Green and white box with FSC certification logo on a white background
Image of White cardboard box with FSC certification label on a white background
$2.65 Inc. GST
Pastel Green Mailing Boxes - Medium
24cm x 19cm x 12cm
Image of White cardboard box with black interior and FSC certification logo on a white background
Image of White cardboard box with FSC certification logo on a white background
$2.65 Inc. GST
Black Mailing Box - Medium
24cm x 19cm x 12cm
Image of Brown cardboard box with FSC logo on a white background
Image of Brown cardboard box with FSC certification logo on a white background
$2.90 Inc. GST
Brown Mailing Boxes - Large
39cm x 28cm x 12cm
Image of Cardboard box with FSC logo on a white background
Image of White cardboard box with FSC certification logo on a white background
$3.10 Inc. GST
White and Brown Mailing Box - Large
39cm x 28cm x 12cm
Image of White cardboard box with a lid on a white background, featuring FSC certification logo.
Image of White cardboard box with FSC certification logo on a white background
$3.10 Inc. GST
White Mailing Boxes - Large
39cm x 28cm x 12cm
Image of Cardboard box with pink interior on a white background
Image of White cardboard box with FSC certification label on a white background
$4.40 Inc. GST
Pastel Pink Mailing Boxes - Large
39cm x 28cm x 12cm
Image of Pink and white cardboard box with FSC logo on a white background
Image of White cardboard box with FSC logo on a white background
$4.40 Inc. GST
Bright Pink Mailing Box - Large
39cm x 28cm x 12cm
Image of Green cardboard box with a white base on a white background
Image of White cardboard box with FSC certification label on a white background
$4.40 Inc. GST
Pastel Green Mailing Boxes - Large
39cm x 28cm x 12cm
Image of Black and white mailing box on a white background
Image of White cardboard box with FSC certification label on a white background
$4.40 Inc. GST
Black Mailing Box - Large
39cm x 28cm x 12cm
Image of Pink and white cardboard box with FSC certification label on a white background
Image of White cardboard box with FSC certification logo on a white background
$4.60 Inc. GST
Pastel Pink Mailing Boxes - Extra Large
44cm x 36cm x 9cm
Image of Open cardboard box with FSC certification logo on a white background
Image of Brown cardboard box with FSC certification logo on a white background
$3.00 Inc. GST
Brown Mailing Boxes - Extra Large
44cm x 36cm x 9cm
Image of Open cardboard box with FSC logo on a white background
Image of White cardboard box with FSC certification logo on a white background
$3.25 Inc. GST
White and Brown Mailing Box - Extra Large
44cm x 36cm x 9cm
Image of White cardboard box with FSC certification logo on a white background
Image of White cardboard box with FSC certification logo on a white background
$3.25 Inc. GST
White Mailing Boxes - Extra Large
44cm x 36cm x 9cm
Image of White box with a pink interior on a white background
Image of White cardboard box with FSC logo on a white background
$4.60 Inc. GST
Bright Pink Mailing Boxes - Extra Large
44cm x 36cm x 9cm
Image of Green and white cardboard box with FSC certification logo on a white background
Image of White cardboard box with FSC certification logo on a white background
$4.60 Inc. GST
Pastel Green Mailing Boxes - Extra Large
44cm x 36cm x 9cm
Image of Black Mailing Box - Extra Large
Image of Black Mailing Box - Extra Large
$4.60 Inc. GST
Black Mailing Box - Extra Large
44cm x 36cm x 9cm
Image of Single Bottle Mailing Boxes White
Image of Single Bottle Mailing Boxes White
$3.80 Inc. GST
Single Bottle Mailing Boxes White
41.5cm x 12.5cm x 13.5cm
Image of one bottle brown wine box
Image of close one bottle brown wine box
$4.45 Inc. GST
One Bottle Wine Box - Brown
33.5cm x 12cm x 10.3cm
Image of one-bottle white wine box
Image of close one-bottle white wine box
$5.65 Inc. GST
One Bottle Wine Box - White
33.5cm x 12cm x 10.3cm
Image of one bottle black wine box with white inside
Image of close one bottle black wine box
$8.65 Inc. GST
One Bottle Wine Box - Black
33.5cm x 12cm x 10.3cm
Image of empty one-bottle blue wine box
Image of close one-bottle blue wine box
$8.65 Inc. GST
One Bottle Wine Box - Blue
33.5cm x 12cm x 10.3cm
Image of empty one-bottle green wine box
Image of one-bottle green wine box
$8.65 Inc. GST
One Bottle Wine Box - Green
33.5cm x 12cm x 10.3cm
Image of empty one-bottle magenta wine box
Image of one-bottle magenta wine box
$8.65 Inc. GST
One Bottle Wine Box - Magenta
33.5cm x 12cm x 10.3cm
Image of empty one-bottle orange wine box
Image of one-bottle orange wine box
$8.65 Inc. GST
One Bottle Wine Box - Orange
33.5cm x 12cm x 10.3cm
Image of empty one-bottle wine box
Image of one-bottle wine box
$8.65 Inc. GST
One Bottle Wine Box - Pastel Pink
33.5cm x 12cm x 10.3cm
Image of Two Bottle Wine Box With Insert - Black
Image of Two Bottle Wine Box With Insert - Black
$13.30 Inc. GST
Two Bottle Wine Box With Insert - Black
32.7cm x 20.7cm x 10.3cm
Image of empty two-bottle wine box
Image of white two-bottle white box
$7.85 Inc. GST
Two Bottle Wine Box With Insert - White
32.7cm x 20.7cm x 10.3cm
Image of Two Bottle Wine Box With Insert - Blue
Image of Two Bottle Wine Box With Insert - Blue
$13.30 Inc. GST
Two Bottle Wine Box With Insert - Blue
32.7cm x 20.7cm x 10.3cm
Image of Two Bottle Wine Box With Insert - Green
Image of Two Bottle Wine Box With Insert - Green
$13.30 Inc. GST
Two Bottle Wine Box With Insert - Green
32.7cm x 20.7cm x 10.3cm
Image of Two Bottle Wine Box With Insert - Pastel Pink
Image of Two Bottle Wine Box With Insert - Pastel Pink
$13.30 Inc. GST
Two Bottle Wine Box With Insert - Pastel Pink
32.7cm x 20.7cm x 10.3cm
Image of Two Bottle Wine Box With Insert - Orange
Image of Two Bottle Wine Box With Insert - Orange
$13.30 Inc. GST
Two Bottle Wine Box With Insert - Orange
32.7cm x 20.7cm x 10.3cm
Image of Two Bottle Wine Box With Insert - Magenta
Image of Two Bottle Wine Box With Insert - Magenta
$13.30 Inc. GST
Two Bottle Wine Box With Insert - Magenta
32.7cm x 20.7cm x 10.3cm
Image of Two Bottle Wine Box With Insert - Brown
Image of two-bottle brown wine box
$6.25 Inc. GST
Two Bottle Wine Box With Insert - Brown
32.7cm x 20.7cm x 10.3cm
Image of Three Bottle Wine Box With Insert - Brown
Image of Three Bottle Wine Box With Insert - Brown
$8.60 Inc. GST
Three Bottle Wine Box With Insert - Brown
33.3cm x 31.5cm x 10.3cm
Image of Three Bottle Wine Box With Insert - White
Image of Three Bottle Wine Box With Insert - White
$11.10 Inc. GST
Three Bottle Wine Box With Insert - White
33.3cm x 31.5cm x 10.3cm
Image of Three Bottle Wine Box With Insert - Black
Image of Three Bottle Wine Box With Insert - Black
$17.45 Inc. GST
Three Bottle Wine Box With Insert - Black
33.3cm x 31.5cm x 10.3cm
Image of Three Bottle Wine Box With Insert - Blue
Image of Three Bottle Wine Box With Insert - Blue
$17.45 Inc. GST
Three Bottle Wine Box With Insert - Blue
33.3cm x 31.5cm x 10.3cm
Image of Three Bottle Wine Box With Insert - Green
Image of Three Bottle Wine Box With Insert - Green
$17.45 Inc. GST
Three Bottle Wine Box With Insert - Green
33.3cm x 31.5cm x 10.3cm
Image of Three Bottle Wine Box With Insert - Magenta
Image of Three Bottle Wine Box With Insert - Magenta
$17.45 Inc. GST
Three Bottle Wine Box With Insert - Magenta
33.3cm x 31.5cm x 10.3cm
Image of Three Bottle Wine Box With Insert - Orange
Image of Three Bottle Wine Box With Insert - Orange
$17.45 Inc. GST
Three Bottle Wine Box With Insert - Orange
33.3cm x 31.5cm x 10.3cm
Image of Three Bottle Wine Box With Insert - Pastel Pink
Image of Three Bottle Wine Box With Insert - Pastel Pink
$17.45 Inc. GST
Three Bottle Wine Box With Insert - Pastel Pink
33.3cm x 31.5cm x 10.3cm

Insights About Mailing Boxes

Unlock the Perfect Shipping Solution

In today’s online shopping world, shipping is more than a logistical step, it’s a major brand moment. Imagine your customer’s anticipation as they await a parcel, only for their excitement to turn to disappointment when the package arrives crushed, or worse, the product inside is damaged. Flimsy postage boxes don’t just increase returns and complaints, they undermine your brand’s promise of quality and care. Every poorly packed product is a missed chance for a five-star review or an Instagram-worthy unboxing.

It’s a tough reality: your competitors are seizing every delivery as an opportunity for a memorable customer experience, forging emotional bonds that lead to repeat purchases. Are you still sending your hard-earned sales in shipping boxes that let you down?

Enter NEON’s Self-Locking Mailing Boxes, your answer to secure, professional, and eco friendly shipping. Our mailing boxes use durable cardboard and a self-locking design, protecting your reputation with every shipment. As soon as your customer opens their parcel, the experience tells a story of attention to detail and commitment to sustainability. With NEON’s mailing boxes, you can transform ordinary shipping into a branded journey that delights your customers and keeps them coming back.

Engineered for Strength: Mailing Boxes That Deliver Confidence

Every box is a silent ambassador for your brand, tasked with delivering products in perfect condition, rain or shine. That’s why NEON’s mailing boxes are constructed from robust B flute corrugated cardboard, an industry standard for premium parcel protection. Our single-wall B-flute design is more than just packaging jargon; it’s a shield that absorbs shocks, resists crushing, and ensures even delicate items like electronics, jewellery, or glassware arrive unscathed. 

The premium tuck and die cut finish give each mailing box a crisp, professional look, while the self-locking design makes packing and sealing lightning fast. Our self-locking mailing boxes eliminate the frustration of fiddly tape or adhesives, supporting rapid dispatch in your busy warehouse or boutique. This secure closure reassures both you and your customers: goods will arrive exactly as intended.

Choose mailing boxes that showcase your commitment to excellence. The sturdy B flute structure not only withstands the rigours of postage but inspires customer trust, the very foundation of repeat business and glowing reviews.

Shine with Colour & Style: Custom-Look Postage Boxes that Stand Out

Visual branding starts the moment a package lands on your customer’s doorstep. NEON’s collection offers a vibrant range of colour options, from contemporary black mailing boxes and classic white boxes to playful pastel pink, bright pink, pastel green, and classic kraft brown.

Why does colour matter? Because it sets expectations. Customers receiving shipments in a pastel pink mailing box, for example, associate your brand with creativity and delight, before they even open the product. Each colour mailing box is more than functional; it sparks anticipation and influencer-style unboxing content.

Businesses looking to go beyond plain cardboard find that colour-coordinated postage boxes increase brand recall. One NEON client found a 27% surge in social media shares after switching to coloured mailing boxes, as customers eagerly showed off their unique packages online. Create box combinations that wow the senses and strengthen your brand identity with every delivery.

Sustainable Shipping: Eco Friendly Mailing Boxes for the Conscious Business

Your customers want to trust that your packaging respects the environment as much as the product inside. NEON makes this commitment easy, our self-locking mailing boxes are made from recycled or partly recycled cardboard, contributing to a circular economy.

Unlike traditional shipping cartons, our boxes are lightweight to help reduce overall freight emissions, yet strong enough to allow multiple reuses for eco friendly practices. After their shipping journey, these cardboard mailer boxes are fully recyclable, so your business is always contributing to a circular economy.

Sustainability isn’t just a selling point, it’s a business driver: 73% of shoppers factor environmental responsibility into their brand decisions. With NEON’s self-locking mailing boxes, you’re not just meeting regulations; you’re attracting a loyal, values-driven audience, differentiating your brand with packaging that stands for positive change.

Effortless Assembly and Security: Speed Meets Reliability

Packing orders should feel empowering, not tedious. Designed with your business workflow in mind, NEON’s self-locking mailing boxes feature a self-locking mechanism, no tape or glue required. The die cut construction means each box pops into shape swiftly, and the premium tuck locks click into place for a secure fit. This feature keeps your fulfilment lines moving and slashes the risk of packing errors.

Time is money: using NEON mailing boxes, businesses often report 30% faster pack times, freeing up your resources for sales and service, not just shipping. For the receiver, opening your box is effortless: the reinforced cardboard opens cleanly, delivering immediate peace of mind.

Self-locking mailing boxes are also ideal for eCommerce returns, allowing customers to reseal and reuse the box. It’s a small detail that tells your customers you care about convenience as much as they do.

Specifications That Build Confidence

Your products deserve packaging that fits like a glove. NEON’s collection covers every shipping need, offering multiple sizes tailored for various business requirements. Every self-locking mailing box is made with thick B flute corrugated cardboard, offering strength and durability for impact resistance.

With NEON, every variant combines strength, stylish design, and sustainable construction, elevating your unboxing moments with every shipment.

The ROI of Premium Mailing Boxes: Smart Investment, Proven Impact

Packaging shouldn’t be a sunk cost, it should be an engine for business growth. With NEON’s shipping mailing boxes starting as low as $1.20 per box, and standing out for 6-12 months in homes, offices, and on social feeds, you can easily achieve 200+ brand impressions from a single shipment. That’s an average cost of just $0.006 per impression, dramatically outperforming digital ads or influencers.

Customers notice quality: one retailer saw a 40% drop in damage-related returns and a 23% rise in repeat orders after switching to NEON’s self-locking mailing boxes. Social sharing soared too, with packaging featured in unboxing videos and customer reviews, powerful word-of-mouth advertising at no extra cost.

Professional packaging is a marketing tool, increasing customer lifetime value by reinforcing trust and making every delivery an occasion.

Real-World Results: Use Cases That Inspire

eCommerce Startups:  

A Melbourne skincare brand chose NEON’s black mailing box for their subscription kits. Unboxing became a monthly ritual for hundreds of loyal subscribers, so much so that “#skincareunboxing” photos increased by 37% in just one quarter. Positive impressions turned happy customers into recurring ambassadors.

Boutique Retailers:  

A Sydney jewellery store shifted to pastel and neon pink mailing boxes, instantly creating Instagrammable moments for customers picking up online orders. They reported a 30% uplift in social engagement and found that their colour choice made the brand top-of-mind for gifting occasions.

Corporate Packages:  

A fintech firm selected extra large white boxes for new employee welcome kits. HR measured a 15% boost in staff retention during onboarding feedback, attributing part of this to the “wow factor” of beautifully presented brand merchandise.

Wine Sellers:  

Leveraging our durable wine boxes, a South Australian vintner began sending out subscription cases. Customers reported fewer breakages and more referrals, directly linking the switch to positive reviews and higher reorder rates.

Proven across retail, eCommerce, and corporate gifting, NEON’s self-locking mailing boxes create memorable first impressions that drive business growth.

Ordering & Delivery Made Simple

With NEON, buying premium mailing boxes is as easy as choosing your size and colour. We accept Visa, Mastercard, American Express, PayPal, and ZipPay, giving you peace of mind and flexibility with every transaction.

Enjoy free delivery to Sydney Metro and Campbelltown for orders over $100, with reliable shipping options all across Australia. Need your stock fast? Pick up orders in person at our Campbelltown warehouse, Monday to Friday from 9am to 4:30pm.

For bulk and trade customers, wholesale pricing is available on large orders, just ask our team for a quote.

Questions or want to place a custom order? Phone us at 1300 531 930 or email info@neonpackaging.com.au for prompt, expert advice.

Complementary Products: Create the Ultimate Unboxing Experience

Pair your self-locking mailing boxes with other NEON essentials for a complete brand presentation. Add our custom printed stickers for instant branding on any box surface, or wrap products in eco-friendly tissue paper for added protection and impact. These finishing touches turn shipping into a story, enhancing perceived quality and providing that share-worthy unboxing moment your customers will remember. Bundling NEON products helps you streamline ordering while maximising your brand’s visual appeal.

Conclusion: The Lasting Impact of NEON Mailing Boxes

At NEON, we believe every shipment should delight. Secure your products in style, impress your customers with eco-conscious packaging, and send your brand out into the world with confidence. Our self-locking mailing boxes deliver the kind of reliable, professional experience that transforms a simple parcel into an unforgettable memory. Make your next delivery count, order from NEON and start your packaging transformation today.

Colour and Size Options

Our Self-locking Mailing Boxes are available in small, medium, large, and extra-large sizes, perfectly complementing our Premium Magnetic Gift Boxes for creating stunning product hampers.

With seven vibrant colors, you can easily find the perfect shade that reflects your brand’s personality and resonates with your customers.

Here are the available colors:

White Mailing Box
Brown Mailing Box
Black and White Mailing Box
Pastel Pink Mailing Box
Pink Mailing Box
Pastel Green Mailing Box


These diverse colour options will help you make a memorable impression.

Lightweight and Sturdy

The single-wall B-Flute cardboard used in our mailer makes it lightweight and durable. It is ideal for product hampers. With four sizes to choose from, it can fit dainty items like jewellery and semi-bulky items like bed sheets.

Lightweight boxes are an excellent choice for efficient shipping, offering a perfect balance between durability and reduced shipping costs, making them ideal for a variety of products.

Post box boxes are the ideal solution for efficient shipping and storage needs, combining durability with lightweight design to minimize shipping costs.

Additionally, the design ensures that the contents remain protected during transit, minimising the risk of damage. Our mailer is excellent for businesses looking to enhance packaging efficiency and ensure customer satisfaction with secure and attractive product presentation.

Premium Unboxing Experience

Our Self-Locking Mailers are perfect for a postal box as they provide excellent protection for your products in the mail. These cardboard boxes offer a practical and eco-friendly solution to complete delivery to your customers safely.

Give your brand a unique presentation with NEON Packaging’s Self-Locking Mailing Boxes, designed to create a premium unboxing experience that delights your customers. These mailers, available in seven vibrant colours, ensure your products make a memorable impression when they arrive. The secure locking flaps and wings keep items safe during transit, providing peace of mind for both you and your customers.

In Store Pick Up

We offer click-and-collect or in store pick up from our Campbelltown warehouse, available from 9am to 4:30pm Monday to Friday.

If you have any questions or would like to request a quote, please call us at 1300 531 930 or email us at info@neonpackaging.com.au.

Free Delivery for Sydney Metro & Campbelltown

We ship our packaging products right across Australia, with free delivery throughout Sydney Metro and Campbelltown when you spend over $100 – making it dead easy to get quality supplies without the extra cost. Whether you're in the city or out in Campbelltown, we've got your packaging needs sorted with reliable delivery that won't break the budget.

FAQ

How many sizes are available?
Our self-locking mailing boxes are available in 4 sizes: Small, Medium, Large, and Extra-Large. Check out the product pages for exact measurements.

How many colours are there?
We have 7 colors available: pastel pink, neon pink, mint green, black, white, kraft brown, and white with kraft brown interior.

Can these boxes be reused?
Yes! These boxes are sturdy and can be reused for more shipping or as convenient home storage.

Can these boxes be recycled?
Yes! Break down the box and place it in the recycling bin.

Can I buy these in bulk?
Yes! You can buy our mailer boxes for wholesale prices. Check the product page and review the table to see what discounts are available for bulk purchasing!

How to Assemble the Self-locking Mailing Boxes?
Check this video: How to Assemble Self-locking Mailing Boxes

What makes NEON’s mailing boxes better than standard postage boxes?  

NEON’s mailing boxes use reinforced B-flute corrugated cardboard and innovative self-locking designs for superior product protection, easy assembly, and a premium unboxing experience.

Can I use these boxes for corporate gifts or wine shipping? 

Yes! Our range includes large mailing boxes and wine boxes designed for corporate gifting, promotional packs, and secure wine delivery, maintaining both presentation and safety.

Are NEON mailing boxes eco friendly? 

Absolutely. Our boxes use recycled or partly recycled cardboard and are fully recyclable after use, helping your business reduce its environmental impact.

Do I need tape or glue to seal the boxes?  

No tape or glue is needed. The self-sealing, die cut mechanism and tab-locking lid mean quick, secure packing without extra adhesives.

Can I order in bulk and get trade pricing?  

Yes, NEON offers wholesale pricing for bulk orders on all mailing box sizes. Contact our team for a detailed quote tailored to your business needs.

How soon will I get my order?  

For Sydney Metro and Campbelltown, enjoy free delivery on orders over $100, or pick up from our warehouse for fast turnaround nationwide.