4-layer coating process: technical printing layer, waterproof coating, silver-coated thickening layer and hardened silver-plated layer. So the functions of beauty, water resistance, sun protection and wear resistance of the waterproof bicycle saddle protector. Waterproof and sun protection: It is used Oxford cloth, double dip PVC facing and coating is used to prevent rainwater penetration and corrosion protection. The inner layer adopts the self-developed silver coating process, which can effectively block UV rays, prevent sun and moisture. Drawstring Design: Compared with elastic bands, our products do not hurt your hands during use and cannot be easily damaged after prolonged use. Lightweight and compact: weighing 0.1kg, it folds up easily and fits in your bag without taking up space. With drawstring design and drapery, this waterproof seat cover can be used for MTB, BMX, road bike, kids bike, Dutch bike, etc. Warm Tips: In in heavy rain or stormy weather, the soaking effect is reduced, so you should better keep your bike in the house.