Non-slip mat for carpet: carpet non-slip underlay has good adhesion, which can prevent the carpet from moving. They can effectively protect children, the elderly and pets and reduce slipping and tripping accidents. Pevent Curling and Sliding:Rug grippers feature advanced non-slip & non-curl technology, backed with strong adhesive to hold rugs securely in place. Reusable and washable: reusable carpet stoppers that can be cleaned with water or a clean, damp cloth. Easy Installation:Simply peel off the adhesive backing, attach the rug gripper to the bottom of your rug, then remove the protective film from the surface. Press firmly to secure the rug in place quickly and effectively. Versatile Use: 12 Pcs value pack of non slip rug pads can be used on more carpets. Suitable for carpeted floor, outdoor, tiles, hardwood, concrete, laminate, marble, and other flooring materials.