Granvela Waterproof Bike Bycicle Road Offroad Saddle Seat for Comfortable Ride and Cycling It is made of weatherproof artificial leather cover, elastic sponge pad and high-strength metal rack Great for Long distance bike rides,and it can be used for Mountain and Road Bike The unique design of middle cavity is nice for ventilation and heat dissipation Comfortable,breathable and wear-resistant and durable with ergonomic and fashionable Design Easy to install and use. Weight:0.3kg