Dlames Water Resistant 16 Inch Laptop Backpack Black Material: made of durable 1680D Oxford nylon fabric. The lining of the bag is water resisted, so it's not easy to get wet. Structure: A total of 6 pockets. 1 main zipper Pocket, 2 sides mesh pockets, 2 front zip pockets and 1 laptop sleeve. There are several small pockets in the second front zip pocket for your cell phone and wallet. Approx Dimensions: 12" L x 20" H x 6"W Capacity: 30L ,Easy to fit 15.6-inch laptop,Large capacity can carry more clothes and books,Very portable and convenient for assorting things . Business and leisure atmosphere,multi-functional practical design 90 Day 100% Satisfaction Guarantee:If for any reason you are not 100% satisfied with this product, please contact customer service, and we will immediately refund your purchase price .