1.Material: Top layer: durable PP plastic, durable. Bottom layer: high quality rubber. Strong toughness, wear resistance, durability, super strong load capacity, moisture resistance, chemical corrosion resistance and long life 2.EASY TO INSTALL The washing machine pad is powerful and very practical. It does not accumulate water or dust on the floor, also makes daily cleaning easier. Simply lift each corner of the machine and slide the soundabsorbing pad into position. To make it even more comfortable, our cushions are designed to be used in all standard fourlegged washing machines and dryers 3.Noise reduction and vibration protection: the black rubber of the washing machine damper suction cup on the bottom, keep the devices in place, prevent slipping, stabilise the washing machine, reduce noise and prevent vibrations of the washing and spinning process 4.Height Adjustable This shockproof pad can increase the height of the washing machine and avoid direct between washing machine and floor. You can easily clean the bottom of the washing machine. This vibration damper solves your problems due to insufficient washing machine mat height