Features: Soft and comfortable: The-surface is made of high-grade waterproof PU leather, with a smooth touchs. The forces bearing-surface of the buttocks is filled with silicone to relieve pressure on the contact-surface of the buttocks. Shock-absorption: Rubber shock-absorption balls are used at the bottom to provide comfortable shock-absorption and strong support, reducing bumps during cycling, making it a great choice for low seated upright-cycling. Super large saddle: Adopting an ergonomic design, widened and thickened, the soft seat cushion helps to relieve pressure point and improve comfort. Breathable: The middles adopts a concave design to reduce cycling pressure and provide ventilation and breathability. Application: Suitable for most traditional bicycles and stationary bicycles, such as road bicycles, fixed gears and mountain bikes, electric bicycles, etc. Designed specifically for men, women, boys, girls, and children. Specifications: Material: PU leather+silicone filling Color: Black/Blue/Red Size: As shown in the picture : Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Bike Saddle