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crash-lock-base crash-lock-base crash-lock-base crash-lock-base

Double Wall Crash Lock Boxes

~ Easily adjustable height ~ Durable and strong double wall cardboard ~ Accelerated packing speed to reduce labour costs


These double wall crash lock boxes add speed and strength to your packing line, with a pre-formed base that locks into place as the box is unfolded and adjustable filling height. The boxes are ready to fill with no need to waste time unfolding and taping the base before filling. These strong and ingenious boxes with a crash lock base have a massive speed and labour saving advantage, because the bottom automatically clicks into place as you unfold the flat-packed carton, without the need for additional tape or glue. In stock today for immediate dispatch!

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From only £28.51 / pack 10
ADWCL05 £38.02 Inc VAT


  • Faster to pack than the average box
  • 2 sizes in stock today
  • Crash lock base with self seal top
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L x W mm
Min Height (mm)
Max Height (mm)
Approx in
305 x 216 (A4)
12 x 8.5 x 8.5
- +
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All Prices Exclusive of VAT


Made from top quality board, these crash lock base boxes also have ten built-in creases, which allow the box to be folded down to the height of the contents to minimise shipping volume and cost, and reduce the use of box fillers such as packing peanuts! The box is then quickly and safely secured with a self-adhesive strip, for a reliable tamper-evident seal.

  • Crash lock base boxes save time and money
  • Strong, stable and secure cardboard boxes
  • Ready to fill
  • Variable height reduces need for void fill
  • Supplied flat packed for easy storage
  • Instant online savings when you buy more
  • In stock for rapid UK delivery
  • Different size? Have your boxes made in just a few days
  • Self-seal strip & integrated tear open strip for fast and easy opening

Need a custom box? Corrugated boxes and cases to your specification:

Just send us the size... It's simple and fast!

Get a quote before you order, normally the same working day.

Click here for a FREE quote