These ColomPac variable depth boxes have dimensions of 229x164mm offer the perfect solution when sending lots of orders varying in size as you can adjust their depth between 50mm-115mm. Use the pre-folded creases to best suit the dimensions of your items for secure and reliable protection. Once adjusted to your desired depth, these high quality, versatile boxes are ready to pack instantly due to their quick, pop-up assembly. Features include: Sized to fit A5 items Overlapping bottom for extra strength and reliability Instant bottom pop-up assembly Peel and seal adhesive strips – no need for additional adhesives or packing tape Tear open strip FSC Certified Recycled, recyclable and biodegradable