KEYAMA High-grade Acrylic Sector Grid Bullnose carpet stair treads Stair mats Free tape Stair rugs Stair treads non-slip Stairs carpet Staircase carpet rugs(Set of 15) 9"W x 25"L Red (A) About 25(L)*9(W) Inch. 64CM*24CM;Pattern:Grid (Elegant, Beautiful).Applicable 26inch-34inch(65cm-85cm) length for the rectangle stair treads Material:50%Acrylic,40%polyester,10%cotton;Stair Carpet have stainless steel keel frame, the back is a silicone material, it can be firmly fixed on the stair treads Instructions for use1, to ensure clean stair treads2,Tear up the back stairs carpet transparent protective film,Then put the stair carpet on the stair treads installation. Sector Non slip Stair treads carpet.Do not need extra tape,Fixed firmly Anti-shedding Effective protection of stair treads carpet stair treads Reduce noise, Decorative treads,Effective protection of stair treads. Material:50%Acrylic,40%polyester,10%cotton;Stair Carpet have stainless steel keel frame, the back is a silicone material, it can be firmly fixed on the stair treads. Instructions for use1, to ensure clean stair treads;<span class="a-text-bold">2,Tear up the back stairs carpet transparent protective film</span>,Then put the stair carpet on the stair treads installation. Sector Non slip Stair treads carpet.Do not need extra tape,Fixed firmly Anti-shedding Effective protection of stair treads