Features:1. Material Design: Made of quality waterproof material smooth zipper closure concealed pocket design can meet all your needs.2. Shoulder Strap Design: Schoolbag with durable shoulder straps adjustable design back breathable fabric design easy to carry no pressure.3. Capacity Design: Large capacity lightweight shoulder bag reasonable structure and layout meet daily needs very suitable for carrying around4. Occasions: This anti theft solid colorbag with USB charging port is suitable for all occasions whether it is formal or casual it will add infinite charm to you5.After-sale Service: If you have any questions please contact us immediately and we will help you solve it as soon as possible.Specifications:Materials: Oxford clothColor:Black/Dark GreyFunction: Waterproof wear-resistant USB charging shock-resistant load-reliefNotice:1. Due to different monitors and lighting effects the actual color may be slightly different from the image2. Due to manual measurement please allow 1-3cm deviation includes: 1 * Backpack"