Backpack Waterproof USB Charging Backpack Expandable Large Capacity

Main Material: PVC - Technics: Embossing
Gender: Unisex - Backpacks Type: Softback
Capacity: 20-35 Litre - Interior: Interior Slot Pocket
Interior: Cell Phone Pocket - Interior: Interior Zipper Pocket
Interior: Interior Compartment - Interior: Computer Interlayer
Handle/Strap Type: Soft Handle - Closure Type: Zipper
Rain Cover: No - Exterior: Silt Pocket
Carrying System: Air Cushion Belt - Lining Material: Polyester
Pattern Type: Solid - Features: Large Capacity, Big, Expandable, Water Repellent, USB Charge Backpacks 
Color: Black - Size: 32x17x48cm