[Carpet gripper] The anti-slip pads with strong, double-sided, -adhesive desigh immediately smooth the corrugated corners and hold the floor firmly so does not slip and . perfect as an alternative to carpet underlays, carpet tapes and other substrates. [Carpet gripper anti-slip mat] The anti-slip mats for carpets are made of high-quality, environmentally polymer PU. Durable, washable and reusable! [] There are 16 replacement strips, even carpet tape or carpet tape non-slip carpet pad. Also, it stops moving your carpets in many like hardwood, linoleum, ceramic tile, etc. [Residue-free and durable] - In to carpet tape, the sticky on the bottom side is made of specially developed material, is reusable, non- and has absolutely no residue. [Harmless to the floor] Carpet grippers are made of soft PU material does not damage the floor in any way. The sticky surface leaves no residue on the floor after removal and works on hard floors including tile, ceramic, hardwood, laminate, etc. Colour:black Material:pu foam Size:30 x 180mm Package Contents: 8 x Rug Grippers Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.