Cardboard box in Medium (20-pack), each measuring 18 x 14 x 12 inches Professional-grade, single-wall corrugated cardboard construction for strength Easy setup with pre-creased flaps that fold in; seal with packaging tape to secure (tape sold separately) Add labels or write on the box for easily identifying contents Ideal for packing, moving, indoor storing, and shipping dry items such as files, clothing, electronics, and more MADE IN USA