product description Material: carbon steel Size: 40x52MM Color: black, white Shape: cylindrical/square Quantity: 4 Package contents: 4 * Wear-resistant furniture floor protection pads Double-layer design: The top layer is made of solid carbon steel and is super durable. Abrasion resistant and non-slip, it protects the floor from damage when you move, shake or walk.Soundproof and easy to clean: Our washing machine vibrating pad can absorb abnormal vibration and noise when using household appliances, and protect the floor from scratches. In addition, it can raise appliances and furniture, protect them from moisture and make cleaning easier.EASY TO INSTALL: No messy tools or adhesives required. Simply lift each corner of the machine and slide the sound deadening pads into place. For added convenience, our pads are designed to fit all standard washers and dryers.EASY TO USE AND VERY APPLICABLE: This washing machine pad simply needs to be placed to install. Suitable for washing machines, refrigerators, trolley drums, washing machines, dryers, sofas, tables, beds and other household appliances and furnitureNote: The data are all measured manually, please allow one 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.