Product description Material: carbon steel Size: 40 x 52 mm Color: white Shape: cylindrical Quantity: 4 piecesPackage content: 4 * wear-resistant furniture floor protection plate 1. Double design: The top layer is made of sturdy carbon steel which is very durable. It's friction-free, non-slip, and can protect the floor from damage while moving, shaking, or walking. 2. Noise-proof and easy to clean: Our washer vibration pads can absorb vibrations and unusual noises when operating household appliances, and protect the floor from scratches. Also, it can increase the height of home appliances and furniture to protect them from moisture, which makes cleaning convenient. 3. Easy to Install: No tools or dirty glue required. Just lift up each corner of the machine and slide the noise dampening pads into place. To make it even more convenient, our pads are designed for all standard washing machines and dryers with four legs. 4. Easy to use and wide application: These washing machine pads can be installed by simply placing them. They are suitable for many household appliances and furniture such as washing machine, refrigerator, dolly roll, washing machine, dryer, sofas, tables, beds and so on