Features: Made of rubber(no peculiar smell) and plastic gasket, durable and stable. Strong vibration absorbing abilities, bottom circle in circle grip texture can greatly stop washers walking. Help increase machine height, a great solution if the floor easily gets wet that pads make machine higher and easier to clean under. Easy to install, leveling the machine, simply place pads under each corner and that’s done. Works for most washer and dryer and large appliances, and works good on most types of flooring, including hardwood, laminate and tile floors, carpet. Specification: Material: resin fiber plastic, rubber 4 Size Increase by 4 cm: Height: 4cm, internal diameter: 4.7cm, external diameter: 7cm Suitable for: bottom diameter less than 4.7cm 6 Size Increase by 6.5 cm: Height: 6.5cm, internal diameter: 4.7cm, external diameter: 7cm Suitable for: bottom diameter less than 4.7cm Notice: Actual color may be slightly different from the image due to different monitor and light effect. Included: 4 x Pads