[Fits Most Wire Shelves]: Available in 4- or 5-piece sets across 8 total sizes. Number of Shelves: 5. Shelf Type: Built-in shelf, Freestanding shelf, Wall Mount shelf. Number Of Shelves: 5. [Strong Yet Lightweight]: Built with a high-density engineered wood core, these wire shelf covers resist cracking, bending, and sagging under heavy storage.