MATERIAL: The shipping box is made of recyclable corrugated cardboard, which is lightweight but sturdy, ensure your stuff safety. DIMENSION: The shipping boxes set includes 100 packs of the cardboard box. The size of this small moving box is 4.6” x 2.2” x 2.2”(L x W x H), suitable for packing or mailing those small and lightweight items. Assembles in seconds without tape, glue, or staples. USAGE: It is perfect for mailing or shipping small soaps, toys, biscuits, or other small items. you can arrange these boxes as you like. APPEARANCE: The edges are neat, smooth and no burrs, the product looks very beautiful as a whole.