1. Reflective design, safer to ride at night
2. Waterproof fabric. Water resistance, abrasion resistance, and the overall appearance is more beautiful
3. Large capacity, you can put a full helmet, so there are no more embarrassing scenes such as holding a helmet while traveling
4. Not only for putting on the helmet, but also for leisure travel on weekdays, it is enough
5. Material: Main material is gore-tex, outer Waterproof fabric, polyester cloth lining
