USB Port Waterproof Oxford Cloth Computer Backpack Material:Oxford cloth Weight:0.77kg Laptop Size: 15\"/15.6\"/16\"- 30*12*42cm Compartment: 3 Capacity:20-35L Usage: Business,Travel,Work,College,Fashion Style:Business commute Opening method:Zipper Handle Strap Type:Soft Handle Feature: Multifunctional,High-Quality Breathable wear-resistant USB charging lightening Lightweight Stylish look