1. The internal layers are rich and diverse, classified and stored, neat and orderly, and easy to take 2. Contrasting color shoulder strap design, unique and beautiful 3. The back has a sponge protective layer, which can stabilize the center of gravity of the shoulders, so that the back is balanced and comfortable 4. Adjustable buckle, easy to adjust the length of the shoulder strap 5. Multi-tacking to reinforce the body 6. Material: 900D oxford cloth, polyester 7. Applicable gender: both men and women 8. Size: about 48x32x18cm
