It s your helmet from bad weather, water, rain, fog, and snow, and keeps you dry.It is very light and easy to carry, and it will not be a burden to you in any outdoor cycling activities.Due to the convenient elastic design, fits most riding helmets.Made of high‑quality sil material, it is and comfortable, very suitable for outdoor such as riding.Multifunctional design, it can also be as a shower outdoors, which is very convenient.x Bike Helmet Cover