Ideal for your heavy or fragile items, these double wall cardboard boxes offer robust protection against crushing and squashing. It’s easy to create this extra strength and durable box with a straightforward assembly. Secure with tape to complete these 355x355x355mm double wall cardboard boxes which are: Eco-friendly – fully degradable and recyclable Supplied flat packed Heavy duty, with a 25kg load capacity Fast and easy to assemble Made from high quality 75% recycled paper