This USB-rechargeable business computer bag is made of high-quality nlyon fabric, which is wear-resistant and tear-resistant, not easy to fade, and is waterproof in rainy days. The S-shaped shoulder strap is designed according to ergonomic principles and has honeycomb mesh padding. It is refreshing and breathable when carried on the back, and it is not tiring when carried for a long time. Large-capacity backpack, 11.8*7.9*16.93 inches, with multiple compartments. There are a variety of customized solutions, please call or email for consultation.