iCube 4 Cube Modular Smart Storage System Made from sturdy and durable High Impact Polypropylene (HIPP), the set includes: 4 cubes, 1 door, and 1 shelf. Easy to assemble with no tools required, using snap lock technology. Build on to your kit to make it as large or as small as you want. Supports up to 50 lbs. per cube, using iCube's patented waffle construction. These cubes remain light weight, so you may move as you please. Packs flat, so it can travel or be stored with ease when not in use. Dimensions 27.5" (H) X 27.5" (W) X 13 3/4" (D).