Travel Laptop Backpack,College School Backpack for Mens and Women with USB Charging Port,TSA Friendly Water Resistant Big Business Computer Backpack Bag Fit 15.6 Inch Laptops Notebook (Black)

Product description: Outer material: waterproof nylon Oxford cloth Inner material: polyester Belt system: air cushion belt Number of straps: double Color: solid Shape: vertical style square Internal structure: certificate bag, mobile phone bag, sandwich zipper bag, electric head, zipper dark bag. Function: waterproof, breathable, wear-resistant, earthquake resistant Size: 12.2 "x6.3" x18.1" Capacity: 35L Weight: 900g Pull rod or not: no Handle parts: soft No rain shield: no Applicable group: men and women Color:Black?Red,Gray,Purplish Blue