1. Quality Materials - Our heavy duty pads are made from a hard durometer rubber blend for long life and high performance. 2. Practical Design - Our improved design allows your washer or dryer to be stable on any floor type without the need for adhesive, thanks to the miniature grip pattern on the underside of each mat. 3. Practical Accessories - Keep appliances in place, they would also reduce noise, can greatly reduce the transmission of vibrations from the washer/dryer to the floor. 4. Increase the distance between the appliance and the floor to make cleaning easier. These anti-vibration mats can be used on tile, concrete, wood, vinyl, linoleum, stone and other hard surface floors. 5.Inner diameter: 4.7cm, height: 3.5cm Vibration absorber for most brand washing machines and large appliances. Description Material: Rubber, plastic resin Color: gray Outer diameter: 7cm Inner diameter: 4.7cm Features Improved planing design: Our improved design allows your washing machine or dryer to