Stair Treads Collection Indoor Skid Slip Resistant Carpet Stair Tread Treads (Dark Gray, Set of 9 (8 in x 30 in)) Rug Styles is the manufacturer and Rug Styles Online is the only authorized seller of this product. We can not guarantee any quality or description accuracy of the purchase you make from any other seller. Stair Tread Size : 8 inch x 30 inch | Color: Dark Grey | Includes : Set of 9 Stair Treads 100% UV Olefin | Slip skid resistant rubber backing works on most of the floor types | Easy to vacuum and clean low profile | Corrugated construction for better traction and liquid flow | In order to keep stair treads securely in place, we suggest to use double-sided carpet tape (not included) Protect your stairs and create traction | Stain Resistant | Mildew Resistant | Fade Resistant Indoor Use | Tough and Strong Construction | Waterproof | Great Value