Yube Cube Modular Furniture System Cubes, Set of 4 Modular furniture system based on cube - kit includes 4 cubes & accessories Frames made from woodlite - proprietary combination of bamboo and plastic, off-white outer panels made from pressed sugar cane Can be connected horizontally or vertically, quick & easy tool free assembly 13x13x13" inner dimensions, 14x14x14" outer dimensions, Capacity: 100#s per cube Includes 4 cubes, 2 doors, 2 shelves, 2 sets of 4