Crash Lock Boxes

Our sturdy single wall crash lock boxes are great for customers who need to assemble a good amount of cartons quickly using minimal tape. A great presentation box for shipping your goods.

Made from high-quality brown corrugated cardboard, we have a wide range of sizes to suit all applications. Our single wall crash lock cartons are sold in packs of 50.

Please remember though; box dimensions are based on internal dimensions of a box (L) x (W) x (H) and not the external dimensions.

If you can’t see the size of box that you require please contact KB Packaging on 0115 944 1600 as we also supply bespoke corrugated cardboard cartons either printed or plain.

25 × “Carton SW 155mm x 122mm x 94mm” have been added to your basket. View basket

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Crash Lock Boxes – Fast, Secure & Efficient Packaging for eCommerce

Crash lock boxes, also known as auto-lock bottom boxes, are a game-changing packaging solution designed specifically for speed, security, and efficiency—making them perfect for busy eCommerce operations. These boxes feature a pre-glued base that automatically locks into place when the box is opened, eliminating the need for tape or glue and significantly reducing packing time.

Ideal for shipping a wide range of products, from cosmetics and electronics to clothing and subscription boxes, crash lock boxes offer both professional presentation and robust protection for items in transit.

Auto-Locking Bottom: The crash lock mechanism ensures the box is instantly ready to pack—no manual folding or taping required.

Time-Saving Design: Ideal for high-volume order fulfilment where speed and efficiency are critical.

Strong and Durable: Made from high-quality corrugated cardboard to provide excellent crush resistance and item protection.

Eco-Friendly: Manufactured from recyclable materials and available in biodegradable finishes.

Flat-Packed for Storage: Supplied flat-packed to save space in your warehouse or packing area.

Custom Printing Available: Brand your boxes with logos, graphics, and messaging for a memorable unboxing experience.

Why Choose Crash Lock Boxes for eCommerce?
With online shopping more competitive than ever, speed and reliability in packaging can make all the difference. Crash lock boxes streamline your packing process while ensuring a secure, tamper-resistant package. Their structural integrity makes them suitable for both lightweight and heavy products.

These boxes are particularly popular with:

Subscription box services
Cosmetic and skincare brands
Tech and electronics retailers
Fashion and accessories sellers
Third-party logistics (3PL) companies

Enhance the Unboxing Experience
Crash lock boxes not only save time but also provide a neat, professional look that enhances the customer’s first impression. When paired with custom branding, inserts, or eco-friendly void fill, they become part of a premium unboxing experience that encourages repeat purchases and social sharing.

Packaging materials including a corrugated cardboard box, packaging tape, kraft paper, postal packaging, and void fill materials used for packing and shipping products.

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Supply Chain Efficiency at the End of The Line

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How Packaging Problems Drive Hidden Costs

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Top 5 Packaging Products Every Fulfilment Operation Should Use

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Paper Tape vs Plastic Tape: Side‑by‑Side Comparison

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