KAKA Backpack for 17-Inch Laptops - Black Main Material: This backpack is made of durable terylene oxford fabric, and the lining is resisted, it's not easy get wet. Approx Dimensions: 12" L x 22" H x 7"W Capacity: 35L (Large size fits most 17" Laptop.) 1-Year Warranty Dimension:11.8x7.1x22.4inch(L x W x H)