Features: These nonslip pad provide a firmly grip, preventing your furniture from sliding on smooth surfaces.When you want to keep your furniture stationary, you just need to put this wheel stopper under the wheel of the furniture, and it will not move.The caster cups have polishing surfaces to contact the ground so that the floor will not be scratched or damaged regardless of wood or tile, and floor holding will be excellent.Suitable for most furniture with wheel such as bed, sofas, various tables and chairs.Easy to Use: Simply clean the floor and place our stopper under the wheel of your furniture.Specifications: Materials: RubberColor: Black/Brown/CoffeeDiameter: about 8.3cm/3.27inchPackage Includes: 4Pcs Furniture Wheel Stoppernote: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.