Gothslove Mens Black backpack Waterproof Large Capacity Travel Backpack Men Roll Top 17 Laptop Backpack Teen Male School Bag

Gothslove Mens Black backpack Waterproof Large Capacity Travel Backpack Men Roll Top 17 Laptop Backpack Teen Male School Bag   Description: Material: Waterproof Oxford Color: Black, Small :30*16*46 cm/11.8*6.3*18.1 inch ; Can Fit a 15.6-inch Notebook Large :35*19*57 cm/13.8*7.5*22.4 inch ; Can Fit a 17-inch Notebook Net weight：Small =0.9kg  ;  Large =1.1kg Product feature: Large Capacity ,More pocket, Light weight,Waterproof fabric, with Headphone hole Capacity : wallet, cell phone, notebook, umbrella, Thermos cup,etc. Features: 1. The three styles can be freely converted. 2. It can be expanded to 28L, which is equivalent to a suitcase. 3.Compatible design, can be used in combination with another small bag. 4.High quality backpack with oxford materials. 5. Anti-Theft & Waterproof & Resistant & Anti-plash &Durable. 6. Unique layerfor 15.6 inch laptop and large capacity for storage. 7. Comfortable feeling and burden reduction. 8.Expansion style Preven