STOPS YOUR FURNITURE FROM MOVING: Tired of furniture moving when you sit down or stand up? Prevent your furniture from sliding by using our furniture stoppers. These non pads prevent slipping of couches, beds, stools, grand pianos, fridges, etc. PROTECTIVE GUARD: What types of flooring can protective guards be used on? Hardwood, vinyl, carpet, ceramic tile, or cement flooring - our products is here to protect them all. Our cups are made with anti- flexible rubber, designed to grip your floor and hold your furniture in place. NOISE REDUCING FLOOR PROTECTION: Our premium rubber caster cups are specially designed with noise-dampening technology to keep your floors protected while reducing annoying squeaks and caused by moving furniture. Enjoy the sound of silence. HEAVYWEIGHT SOLUTION: Crafted from premium, high-quality materials, the coasters hold the heaviest furniture such as grand pianos and BBQs. They're super easy to install, them under the legs, and the quality will that they stay with you for years to come. Colour:Black Material:rubber Size:4x4In Package Contents: 4 * foot pads Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.