Black Mailing Box - Extra Large

Experience the ultimate in professional packaging with our extra large black self-locking mailing boxes, meticulously designed for Australian eCommerce businesses seeking sophisticated, secure packaging solutions. These premium cardboard mailing boxes feature innovative self-locking flaps that secure your products without requiring additional tape, making them perfect for online retailers who want to create luxurious unboxing experiences while maintaining brand elegance and professionalism.

These black shipping boxes are constructed from durable single-wall B-flute cardboard that provides exceptional protection during transit. Our self-locking mailing boxes is designed to comfortably fit our premium magnetic gift boxes for no-stress premium hampers.

Please note: As part of the nature of this product, cardboard can sometimes crack along the fold line.

EXTRA LARGE: 44cm x 36cm x 9cm

• Secure Self-Locking Design - Revolutionary flap system locks automatically without tape
• Premium B-Flute Cardboard - 3mm thick single-wall construction for maximum durability
• Extra Large Capacity - 44cm x 36cm x 9cm internal dimensions for bulky items
• Sophisticated Black Color - Elegant shade for premium brand positioning and luxury appeal
• 100% Recyclable Materials - Eco-friendly packaging from responsibly sourced cardboard
• Flat-Packed Delivery - Space-efficient shipping with simple assembly, watch the video!
• Reusable Construction - Built to withstand multiple uses for customer convenience
• Usage Applications
  • eCommerce Shipping - Perfect for online retailers sending fashion, electronics, or luxury goods
  • Premium Gift Packaging - Ideal container for high-end hampers and exclusive product collections
  • Product Returns - Reusable design allows customers to use same box for returns
  • Subscription Boxes - Memorable unboxing experience for premium monthly deliveries
  • Event Merchandise - Distinctive packaging for corporate gifts and executive presentations
  • Craft Business Shipping - Professional presentation for handmade products and artisan goods

Do these black mailing boxes require tape to stay closed? 

No, our self-locking mailing boxes feature innovative flaps that automatically lock into place without requiring tape, providing secure closure for shipping.

What are the exact dimensions of the extra large black boxes? 

The internal measurements are 44cm x 36cm x 9cm, making them suitable for larger items while maintaining a compact profile for efficient shipping.

Are these cardboard mailing boxes environmentally friendly? 

Yes, they're made from 100% recyclable materials sourced responsibly, and the single-wall B-flute construction minimizes environmental impact while maintaining strength.

Can customers reuse these self-locking boxes for returns? 

Absolutely! The durable construction and tape-free locking system make them perfect for customer reuse, especially for returns or storage purposes.

What's the minimum order quantity for these black shipping boxes? 

We offer low minimum order quantities to accommodate businesses of all sizes, making premium packaging accessible for small and large retailers alike.