Providing the perfect solution for sending many orders which vary in size, these versatile ColomPac variable depth boxes have dimensions of 305x228mm and adjustable depth of 70-160mm With fast pop-up assembly, use the handy pre-folded creases to quickly and easily adjust to your preferred depth. These well-engineered, high quality boxes provide robust and secure protection and are ready to pack instantly. Features include: 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