Versatile design allows assembly as a 5-cube set or as a 4-cube set with the extra grids used as shelves for literature or dividers for vertical storage of 3-ring binders. Welded open wire construction reduces dust accumulation. Each set includes twenty 14" square interlocking grids, 22 plastic corner connectors and 16 clips. Interlocking grids are easy to set up and reconfigure as needs change. 50 lb. weight capacity per cube. Available in Black. Easy set up.