Set of 13 Stair Treads Carpet New Without Tag Reasonable offers Welcomed Set of 13 Pieces Non-Slip The size of each piece is 30"x8" Color:Blue, White, Gray/Black Trim SAFE & NON-SLIP: The back side has anti-slip latex particles, and additionally equipped with magic tape(different from the ordinary tape used in the market), just peel and stick, you can tightly connect the stair mat and tread to protect the elderly, children and pets safety on the stairs. And it also protects your floor from damage. The surface of the stair mat is environmentally friendly polyester fiber, which is comfortable and warm to step on. The proper thickness can reduce the noise generated when going up and down the stairs, providing you with a quiet and relaxing environment. Fast Shipping Weight 4lb P55/B4#4