Description The mat is covered with strong anti-skidding function that effectively helps it stay in place. Protects metal and brass wheels from rust or tarnish. Caster cups designed to protect your hardwood floors, rugs and carpets. Will not tear or distend surface under the piano weight maintaining a proper pedal height. Features - Color: As shown. - Material: PET. - Size: About.5 x 5cm. - Very good vibration absorbing abilities. High coefficient of friction - to prevent skidding / "walking". - High durometer, to make machine more stable. Anti-slip mats to stability and security, help to keep the washers or dryers more stable. - It has good cushioning and resistance. Easy to Install, no any tools or adhesives required, texture, easy to cut. - Help to protect the home appliances from scratches or quick wear bottom, stop to scratche the floor.Package listing: 4 x Washer Anti-skid Mats