General description Our Large and Extra Large Double Wall cardboard boxes are designed for sending products that require extra protection. Made from strong BC double wall board, these heavy-duty boxes are ideal for storage or moving house, capable of withstanding heavy objects while providing the necessary protection for your possessions. These cartons arrive flat, ready for assembly by taping the bottom and top flaps. Technical specifications External dimensions: 10 x 30 x 20 x 20 inches Other information Fast delivery via courier Great deals available on bubble wrap, packaging tape, and loose fill