IMPROVED FLOOR GRIPPING DESIGN - Our enhanced design allows your washer or dryer to stay steady on any type of flooring without the need of adhesives thanks to the micro-grip pattern on the underside of each pad. EXCEPTIONAL ANTI-VIBRATION - This set of 4 pads greatly reduces the transfer of vibrations from your washer/dryer to the floor. ELIMINATES WASHERS FROM WALKING/SKIDDING - The strength of the pad's micro-grip pattern fully eliminates the washer or dryer's floor movement. [Irresistible Quality]Furniture coaster made of harmless, sturdy and soft rubber material to prevent dislocation, balance stress, no-slip furniture caster cups can support the weight of large, bulky furniture pieces from press [Easy to Use]Just put wheels or furniture legs on the rubber furniture cups, at once protect floors and keep furniture still. will fit to your bed, couch, chair, sofa, recliner, desk, table, dresser, piano, bed frame, armoire, fit most of wheels Type:Single Layer/Double-Deck Colour:Black & Gray/Black Material:plastic+rubber Size:4.5cm/8cm Package Contents: 4 x Foot Pads Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.