Soledi 4pcs Ruggies Rug Carpet Mat Grippers Non_Slip Grip Corners Pad Anti Skid Reusable Washable Silicone Useful Tidy Very simple to use, just take off the plastic and stick it to the edges of your rug. Uses grip polymer technology, grips the rug while hundreds of Suction pockets grip the floor. Prevents curled corners, bunches, slips and trips. Won't leave a sticky residue or damage your floor. Can be used on many different surfaces, wood, tiles, lino. Reusable, If they lose grip just wash them with soap and water and they will be like new.