Natural Area Rugs Sydney Carpet Stair Treads, Black, Set of 13, 9'' x 29'' 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