Charging Backpack

Material: Nylon 

Opening method: zipper
Function: wear-resistant, lightening, waterproof, anti-theft, shockproof, breathable
Applicable product types: ipad, notebook, tablet
Bag size: large
Style: backpack / backpack
Style: Business
Bag shapes: square vertical section
Outer bag type: three-dimensional bag
Lining texture: polyester
Accessories type: buckle
Popular elements: printing
Color: black, red
Size: 13 inches, 15 inches, 17 inches