Safety; Use of rug grippers provides a perfect anti-slip function for mats and rugs. provides effective & efficient protection against slipping and tripping accidents of children, seniors pets Reuse with Care; Wash and reuse these grippers on hard, non-fluffy, wavy, lose thread rugs. Loose thread, moisture and dust, reduces the usability of these grippers. Do not use on carpeted floor Wide Application; rug grippers can be applied to many types of rugs with any shape, indoors and outdoors and for all hard floors including wooden, tiles, marble, cemented and linoleum floors or stairs Premium Quality; Our product is made of premium quality PU material and adhesive glue ensuring strong stop slip characteristics, providing reusable, durable and long-lasting usage to our customers Satisfaction Guarantee; No questions asked, no holds barred. We are here to solve your problem. Contact our customer happiness team and get a refund or new product