Leacat Men backpack Waterproof Large Capacity Ultralight Backpack Fashion School Backpack 15.6 inch laptop backpack

Size:3012.545*CM Capacity: below 20L The internal structure of the bag: mobile phone pocket, document pocket, computer pocket Opening method: zipper Material: Polyester Soft Side: Hardness pattern: plain style: street trend Lining texture: polyester Strap root number: double root Carrying parts: soft handle Outer bag type: inner patch pocket Bag shapes: square vertical section With or without tie rod: No Carrying system: air cushion strap Scene: Everyday Color: blue, black, gray Is there a back cushioning cotton: yes Waterproof degree: water repellent Accommodates computer size: 15.6 inches