For low pile carpet: Designed with a smooth top surface for easy chair movement and a cleated backing to grip carpet up to 1/4 (0. 25) of an inch thick Blends with your décor: Designed with industry leading clarity to seamlessly fade into your floors Product sustainably sourced from recycled materials. Coverage Area- 12 square feet International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.