Flexible Bamboo Mat, 20 Inches by 26 Inches, with Silicone Rubber Pads and High Strength Nylon Cord. A Perfect Complement for the Eco-Conscious and Environmentally Friendly Home ECO-FRIENDLY BAMBOO  Technically a grass, bamboo is one of the fastest growing plants with competitive properties to traditional wood. Bamboo is naturally water resistant, providing an ingrown defense against stains or moisture exposure vs. traditional hardwoods. HIGH DURABILITY NYLON CORD  Polyamide nylon has been selected for the cord, due to its durability and high tinsel strength. Our nylon based cord should help ensure excellent product performance for many years. SILCONE RUBBER PADS  Selected for its coefficient of friction and tear strength, silicone rubber is used in a wide variety of critical applications and provides a perfect material for the bottom of the RainRug. INDOOR / OUTDOOR  Due to the material selection and durable construction of the mat, the RainRug can be used either inside or outside of the house. 100% MONEY-BACK GUARANTEE  All RainRugs are backed by 100% guarantee that you are fully satisfied with your product or receive your money back.