Vanaheimr Men Shoulder Bag USB Charging Business Computer Backpack Multifunctional Student Large Capacity Schoolbag 1. Fabric: oxford cloth 2. Waterproof fabric, scratch-resistant and wear-resistant, durable 3. Reasonable multi-layer storage space, practical and large capacity, to meet your travel needs 4. Depressurized breathable shoulder straps, comfortable and not stuffy, multiple zipper pockets, smooth and not jammed, easy to access items 5. USB interface design, easy to connect to the phone convenient charging, front reflective strip design, to protect the night travel safety 6. Shoulder straps are reinforced with stitching at the bottom to enhance the load bearing capacity of the backpack, and the sturdy buckle design can be adjusted according to the height 7. Rigid appearance profile, simple and beautiful, business and leisure style into one, men and women universal, office travel, easy and comfortable 8. Weight: about 490g 9. Size: about 43 x 31 x 12cm 10. Note: delivery only backpack, does not contain other items