BOX USA corrugated boxes are designed for shipping, packing, and storage applications. Constructed from single-wall corrugated cardboard with a 32 lb edge crush test (ECT) rating, these boxes support a variety of packing needs in warehouses, fulfillment operations, and offices. The kraft cardboard surface accepts shipping labels and barcodes and assembles with standard packing tape. These boxes may also be used for moving and organizing items such as clothing, books, documents, and household supplies. Made in the USA from recyclable corrugated cardboard.