[Carpet gripper] The anti-slip pads with strong, double-sided, self-adhesive desigh immediately smooth the corrugated corners and hold the floor firmly so that does not slip and slide. 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 friendly polymer PU. , 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 places like hardwood, linoleum, ceramic tile, etc. [Residue-free and ] - In contrast to carpet tape, the sticky gel 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 that does not damage the floor in any way. The sticky leaves no residue on the floor after removal and works well 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 cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.