Waterproof: With inner waterproof design, it is easy to cope with wet weather Easy to Use: Bidirectional opening and closing hardware zipper is easier to operate Comfortable Grip: Reinforce handle is not easy to crack. And comfortable grip, no strangle hand, easy to pull Fine Workmanship: with Exquisite workmanship, it is smooth wiring, and not easy to drop Premium Material: Made of premium oxford cloth material, it can bear a lot of weight