Carpet Stair Treads - Set of 4 (Navy) (27.5"W x 8.5"L) Color: Navy Size: 27.5"W x 8.5"L Protect your wooden stairs and entryways from wear and tear with this set of 4 nonslip stair treads. Stair treads feature non-skid backs so you can simply put them in place for temporary installation. Carpet tacks (included) can be used for permanent installation of stair treads.