Cubed, fixed-depth design simplifies packing and moving. Sturdy and economical, these boxes feature heavy-duty ECT-32-C Flute 200-lb test corrugated Kraft construction. Shipped flat, they assemble easily with shipping tape (sold separately). Each bundle contains 10 boxes, making them a cost-effective and convenient solution for your shipping needs. Say goodbye to worrying about damaged items during shipping and trust in the reliability of these Universal Cubed Fixed-Depth Corrugated Shipping Boxes.