* Reflective bone design, safer for children to access.
* Built-card front pocket bags, and key hook design conveniently placed keys and small business card.
* Built-big bag buckle design, can be used for fixed-books and other items.
* Water repellent zippers and fabric water repellent fabric of Le rainy day when more effective.
* The left and right sides of the rubber mesh bags, water bottles and other items placed.
* Comfortable breathable straps and chest strap may have to make adjustments, the use of home feel more comfortable.