1. Quality Materials - Our heavy duty pads are made from a tough durometer rubber blend for long life and high performance. 2. Convenient Design - Our improved design allows your washer or dryer to stand stable on any type of floor without the need for adhesive, thanks to the miniature grip pattern on the underside of each rug. 3.Practical accessories - Keep the appliances in place, they would also reduce noise, can greatly reduce the vibration transmission from washer / dryer to floor. 4.Increase the distance between the appliance and the floor to facilitate cleaning. 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: 1.5 + 2.5cm Vibration absorber for most brand washing machines and large appliances. Product description Description Material: Rubber, plastic resin Color: gray External diameter: 7 cm Internal diameter: 4.7 cm Features IMPROVED PLANING DESIGN: Our improved design allows your washer or dryer to be stable on any type of floor without the need for adhesive, thanks to the miniature handle on the underside of each mat. Excellent Vibration Resistance: This set of 4 pads can greatly reduce the vibration transmission from the washer / dryer to the floor. ADVANCED MATERIALS: Our heavy-duty liners are a hardness rubber blend that provides a durable, high performance liner. Package contents 4 x anti-vibration pad for washing machines