Extended High capacity Backpack 17.3 inch USB Recharging Laptop Backpack woman waterproof travel bag men Business Backpack 2021

Product name: extended backpack/travel backpack/outdoor backpack
Weight: 1.23KG
Material: Oxford cloth
Inside material: polyester
Bearing weight: 25KG
Capacity: 25L (can hold 17.3-inch laptop)
Reasonable storage
Expansion capacity
Waterproof material
USB charging
Large capacity design
Dry and wet separation bag
Storage bag
Expansion 11CM
180° open way
Standalone laptop
3D breathable back cushion
Thickened and widened shoulder straps
Breathable shoulder strap
Can be inserted into the suitcase