Saddle Seat Cushion: Sponge filled in PU leather, width: 35cm, soft and firm, Loads 136kg. Height Adjustable Stool: Remove the plastic cover from the metal cylinder, seat height range: from 44.5cm to 60cm. New Plastic Wheels: High-quality wheels make for a smooth, quiet ride over the floor. Sturdy plastic base: 50cm in diameter. FEATURES：Waterproof, space saving, durable and easy to maintain.