1. Material: wear-resistant fabric 2. The external USB charging interface can be charged anytime and anywhere, and the power bank can be placed inside to connect the data cable, which is convenient and fast. 3. Daily splash water does not penetrate and can be wiped off with peace of mind. 4. No scratches will be left and the machine will be protected from accidents. 5. It can be used as a trolley suitcase to save worry and effort when repairing. 6. Based on the mechanics of the human body, the arc-shaped shoulder straps are designed to conform to the curvature of the back to facilitate air circulation and keep the back dry. 7. The zipper is smooth and durable. 8. Thick buckles make it easy to adjust the length of the shoulder straps 9. Organized and clear classification, detailed compartments, simple and portable 10. Dimensions: 30x44x13 cm
