The rubber door mats from River's Edge Products measure 26-inches by 17-inches and are constructed of non-woven 100% polyester with a recycled 100% rubber backing. Features include anti-slip surface, durable and heavy duty construction, and easy to clean. These mats are for indoor or outdoor use. They make for a great addition to any door way or front porch. Very simple cleaning options include shake, hose off or vacuum clean. Perfect gift idea for anyone with a sense of humor.