The Safavieh Carpet-to-Carpet Grid Rug Pad is designed specifically to be used with rugs on top of carpeting to prevent shifting and sliding. It can also help prolong the life of your area rugs in an entryway, a bedroom, the living room or dining room. Made of 100 percent polyester fabric and coated with a high-grade vinyl compound, this product allows for maximum air circulation through an open-weave construction. It is power loomed. Use this item throughout your home to accommodate all of your carpeted areas. You can also use it is small commercial offices for safety purposes. It is easy to vacuum and clean. This 2′ x 4′ rug pad is available in a range of additional sizes.