1. PREMIUM MATERIALS - Our heavy-duty pads are made from mixed durometer rubber for long life and high performance. 2. CONVENIENT DESIGN - Our improved design allows your washer or dryer to sit stably on any type of floor without adhesive, thanks to the micro-grip pattern at the bottom of each cushion. 3. Convenient Accessories - By keeping appliances in place, they also reduce noise and can significantly reduce the transmission of vibrations from the washer/dryer to the floor. 4. Increase the distance between the electrical device and the floor to facilitate cleaning. These anti-vibration pads can be used on tile, concrete, wood, vinyl, linoleum, stone and other hard surface floors. 5. Inner diameter: 4.7 cm, height: 1.5 + 2.5 cm shock absorber for most brand washing machines and large electrical appliances. Package content 4 x washing machine dampening pads