1. High Quality Materials - Our heavy duty pads are crafted to perfection. Made from a blend of hard durometer rubber which allows for long life and high performance. 2. Convenient Design - Our improved design allows you to wash or tumble dry your machine thanks to the miniature grip pattern on the bottom of each mat to remain stable on any type of floor. 3. Convenient Accessory - Keep appliances in place Would also reduce noise, can greatly reduce the transmission of vibration from floor mounted washer/dryer. 4.Increase the distance between the appliance and the floor for easier cleaning. These anti vibration mats can be used on tile, concrete, wood, vinyl, linoleum, stone and other heavy duty floors. hard surface. 5.Inner diameter: 4.7 cm, height: 1.5 + 2.5 cm Vibration damper for most washing machines and large brand appliances.