Natural Area Rugs 100% Natural Fiber Summit, Polypropylene Brown/Multi, Handmade Stair Treads Carpet Set of 13 (9"x29") Made from durable Polypropylene that is wear resistant and easy to maintain. Ideal to add traction on hardwood floors. Durable and also sound dampening. Dimensions: 9 x 29 Includes 13 individual stair treads. Easy to install with double sided adhesive carpet tape (sold separately). For over 50 years, Natural Area Rugs remains to be a trusted brand by offering the best quality area rugs in the market