Description: By lifting your machine up to 0.5-4.5cm (as you choose) then your problem solved, bugs nowhere to hide, no more dirty underneath. Rubber base, anti-vibration, anti-walk, no scratching to your floor and eliminate the noise. Easy installation, reduce maintenance costs for use on washers and dryers. Made of high quality rubber and plastic, durable under wet or harsh environments. Suitable for washer, dryer, fridge or other machines or furniture need to raise the height and keep steady. Size Chart: 1.5cm: Outside diameter: approx. 6cm/2.36inch, Inside diameter: approx. 3.9cm/1.54inch, Overall height: approx. 2cm/0.79inch 0.5cm: Outside diameter: approx. 6cm/2.36inch, Inside diameter: approx. 3.9cm/1.54inch, Overall height: approx. 1cm/0.39inch 2.5cm: Outside diameter: approx. 6cm/2.36inch, Inside diameter: approx. 3.9cm/1.54inch, Overall height: approx. 3cm/1.18inch 3.5cm: Outside diameter: approx. 6cm/2.36inch, Inside diameter: approx. 3.9cm/1.54inch, Overall height: approx. 4cm/1.57inch 4.5cm: Outside diameter: approx. 6cm/2.36inch, Inside diameter: approx. 3.9cm/1.54inch, Overall height: approx. 5cm/1.97inch Package Includes: 4 Piece Washer Anti-Vibration Pads Note: Colors might be different due to different monitor display. Please allow slightly difference in size due to manual measurement.