Note: This gripper uses an H design that grips hard smooth floors firmly and easily. It does not work for rug on carpeted floors. It does not work for all rugs; it is not compatible with rubber backed rugs, jute rugs, or fluffy backing rugs. The adhesive surface cannot be peeled once affixed on the rug. Design and how it works - Can be glued under any rug. The side facing the floor features tiny suction pores. - These pores use the H feature: when pressure is applied from the top, air escapes and a low-pressure region is created in the cups, producing an adhesive effect that keeps the rug in place. Key benefits - Ultra-thin and inconspicuous after installation (less than 1/10 inch thick). - Suction technology sticks firmly to the floor without leaving marks or damage; the gripper can be peeled off the floor when needed. - Easy to wash and maintain; you won’t need to separate it from your carpet for cleaning. - Adds underfoot comfort due to the mildly bouncy feel of the suction technology. Specifications and components - Includes 8 pieces. - Each piece is 3.9 inches by 3.9 inches and square to maximize floor contact area. - Keeps kitchen, bathroom, and hallway safer and more secure. - Suitable for outdoor use to prevent slipping and to flatten rug corners. Use scenarios - Install under a kitchen rug on tile or hardwood to prevent curling and slippage. - Place under a bathroom mat on smooth flooring to reduce shifting and movement. - Use with hallway runners on smooth floors to keep edges flat and reduce trips, including outdoor patios.