Description: Design Feature: Rug pad grippers can easily be glued under any rug. The side facing the floor features tiny suction pores. These pores utilize the feature in which whenever pressure is applied from the top, air escapes and creates a low pressure region within the cups. This produces an adhesive effect, which keeps Advantages: The rug anti curling gripper is less than 1/10 inch thick and inconspicuous after installing. Suction technology firmly sticks to the floor without causing marks or damage, and gripper easily off the floor. It is convenient to wash, as you won’t have to separate it from your carpet for cleaning. The rug tape adds extra comfort underfoot owing to the slightly bouncy nature of suction technology. Components: This package includes 4 pieces rug grippers. Each piece is square in order to increase the surface area in contact with the floor. That leaves your kitchen, bathroom, and hallway much more secure. You can even use them outdoors to prevent slipping and flatten corners. Washable and Reusable: This non slip rug pad gripper is washable and can be reused after drying. The rug pad gripper can be cleaned with a rag with water or alcohol or soapy water. You can also wash the area rugs in the washing machine with the carpet grippers attached. Hidden and Keep Corner Flat: The grippers are easy to apply to the underside of rugs and the topside of floors to keep rugs flat and in place. Widely used area rugs, throw rugs, runner rugs. Specification: Material: Acrylic  Size Chart: 10cmx10cm/3.94inchx3.94inch Package Includes: 4 Rug Pads Grippers Note: Please allow slightly errors due to manual measurement and different monitors.