1. Strict selection of fabric upgrade waterproof wear-resistant fabric, can effectively resist accidental splashing and scratching in life2. Sufficient capacity multi-layer space scientific storage, light weight content is lighter, carrying nature more easily3. Light texture travel light and more unbound, light weight content is lighter, carrying natural more relaxed4. Comfortable portable, comfortable portable for a long time; Smooth zipper, smooth zipper easy to open and close5. Adjustable shoulder strap, length can be adjusted at will, suitable for all kinds of height; Hardware fastener, high quality hardwareTo increase the service life of the bag