Specification: Item Type: Non Slip Rug Grips Material: Polyester and acrylic resin Weight: 35 g / 1.2 oz(approx.) Color: White Package List: 4 x Non Slip Rug Grips Features REMOVABLE AND REUSABLE:Non Slip Rug Grips is an easy to use and durable, removable, washable and reusable carpet sticker UNIVERSAL AND USEFUL: For large sizes of carpet, non slip rug grips can be placed on the corners or edges of any carpet, keeping the carpet and mat in place NON SLIP AND NON DESTRUCTIVE: Rug anchor prevents curling corners, slips and trips without easily leaving adhesive residue or damaging the floor MULTIPLE FUNCTIONS: Not only can prevent your carpet from knotting or sliding like a traditional carpet mat in daily use, but can also secure an outlet or secure a router FIRM AND NO RESIDUE:Non slip carpet grips your hard floor. Completely harmless to the floor, unlike other tapes that can be easily peeled off the floor, suction technology sticks firmly to the floor