Carpet Non-Slip Underlay, Pack of 14 Double-Sided Carpet Gripper Against Rug Gripper, Washable and Reusable Non-Slip Mat for Carpet Robust and durable, uses nanogel technology and various materials without residue: carpet anti-slip underlay uses nanogel technology and is very robust to prevent the carpet from slipping. When removed, it leaves no adhesive residue. Washable and reusable: non-slip mat for carpet can be washed and dried after use to reuse. It is very comfortable. Attachment: non-slip rug can effectively attach the pad to prevent it from moving or standing up, and keep the carpet clean and beautiful. Material: rug gripper uses high-quality PU material, which has good durability and ageing resistance. Trapezoidal design: non-slip mat for carpet uses a trapezoidal design that can adapt to different sizes of carpets to better protect the carpet and prevent it from slipping.