Non-slip and Shock-absorbing:Anti-vibration rubber pad minimizes vibration, reducing vibration on the floor and making the washing machine and dryer more stable. Easy to use: Simply lift each corner of the machine and slide the noise absorbing pads into place. Washing machines and dryers can be lifted, protected from moisture and easily cleaned. Universal Stabilizer Feet: Suitable for most models, brands and models of washing machines, dryers and refrigerators. Durable and safe: Made of high quality resin fiber plastic rubber and rubber material, strong toughness, abrasion resistance and durability. Protects your delicate floor from scratches for a long life. Internal diameter 4.7 cm, increased height 3.5 cm Package content: non-slip machine mat to wash*4 Warm advice: Dear buyer, due to lighting effect, monitor’s brightness, manual measurement etc, there may be some slight differences in the color and size between the photo and the actual product. Sincerely hope you can understand!