Vintage Canvas Travel Backpack, Casual Daypack for 17“ Laptop Satchel College Rucksack Hiking Sports Bag -Made from high-quality waterproof canvas and material, with a sturdy zipper closure and reinforced straps for added durability.Durable: the sturdy and durable material of the backpack, suitable for long-term use. -Backpack Structure-Multi Pockets Design: External: 1 main top U-shaped zipper pocket + two zip pockets on the two side + 1 back large zip pocket; Internal: 1 sunder padded laptop pocket and ipad pocket + 1 mesh pocket + 2 zip pockets + 1 open pocket