1.[Wide Bike Seat]: The spacious backrest (9.447.671.96 inches) and expanded seat (119.442.75 inches) enhance comfort by conforming to the hips and increasing support points, effectively distributing weight evenly. This design helps prevent discomfort during prolonged rides, allowing for longer sessions of pain- exercise. 2.[Ergonomic Design]: Easily adjust the support height (11-15 inches) with a simple twist of the button to suit your body type or riding preferences. The arc-shaped cushion mimics human hip contours, reducing leg friction for effortless and enjoyable rides. 3.[Cushioning and Breath ability]: Both seat and backrest are filled with soft, high-elasticity sponge material that absorbs impacts from all directions for a smooth ride. The PU surface enhances aesthetics while ensuring optimal breath ability for your hips during exercise. 4.[Wide Application]:Whether you're a mountain biker, electric commuter, beach cruiser enthusiast, or enjoy folding bikes or tricyclesour bike seat is designed for adults of various heights and weights as an ideal saddle replacement for all types of bicycles including tricycles and stationary bikes.