Product Material: carbon steel Size: 40x52MM Color: black, white Shape: cylindrical, square Quantity: 4pcs Package content: 4*wear-resistant furniture floor protection pad 1.Double design: The upper layer is made of sturdy carbon steel, which is super durable. It is Anti-friction, non-slip, can protect the floor from damage when moving,shaking or walking. 2.Noise-proof & Easy to Clean: Our washer vibration pads can absorb vibrations and abnormal noises when operating home appliances, and protects the floor from scratches. Besides, it can raise the height of home appliances and furniture to protect them from moisture, which makes cleaning convenient. 3.Easy To Install:No tools or messy adhesives required.Simply lift each corner of the machine and slide the noise absorbing pads into place.To make it even more convenient,our pads are designed to fit all standard washers and dryers with four legs. 4.Easy to Use & Wide Application: This washing machine pads can be installed just by placing it. They are suitable for many home appliances and furniture such as washing machine, refrigerator, dolly roller, washer, dryer, sofas, tables, beds and so on