Description: Perfect Moving Supplies: Designed for moving, shipping, storage, crafts or small business packaging Heavy Duty Shipping Boxes: Holds up to 65 lbs (pounds), 32 lb (pound) edge crush tested, certified and tested to meet all single wall box storage, mailing, and freight requirements Extra Large, Large, Medium and Small Size Boxes: Made of kraft brown unprinted cardboard, single-layer corrugated boxes are lightweight and sturdy, perfect for house files, business file and personal household items