High-quality material: carpet non- underlay made of polymer PU, high temperature resistance, no deformation, easy to restore, durable. The triangular design of the rug has a strong adhesion and does not loosen easily. Washable and reusable: washable and reusable non- mat for carpet. If it gets dirty, simply wash stoppers with soap and water and let it air dry. After cleaning, non- mat becomes sticky again. [Easy to use]Put the white surface on the bottom of and the other side of anti- on the floor. After is on the floor, pressure should be built up from above and the non- mat for carpet should be smoothed along the surface. Note: make sure that and floor are clean and dry before laying. Non-staining and odorless: carpet non- underlay is made of high-quality reusable PU gel without odor. The non- rug in contact with the floor uses a polyurethane gel adhesive that leaves no glue on the floor and does not damage the floor. Extensive compatibility: the non- mat is suitable for all types of carpet (except with rubber, and backs, as the non- mat does not stick to these materials). Effective on wood, tile, marble, concrete and vinyl floors. color:Black Material:PU Polyurethane size:9 x 11.5cm Package Contents: 16 x Carpet Non Underlay Only the above package content, other products are not included. Note: Light reflection 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.