Btmall Canvas Leather Backpack Cool Rucksack Daypack for Men (Olive) Full Fabrics Lining lining Material: 100% cotton canvas backpack; Durable and fashionable; High quality rucksack backpacks. Medium Size: 17"Hx11.8"Lx5.5"W - Boasts a generous main compartment for your folded clothing, keeping office, school, hiking, or personal supplies neat and handy; - And an additional exterior pocket for easy access to need-in-a-hurry items, or for ease in packing last minute necessities; - Featurescarry-on, shoulder,backpack use for recreational, tourism, streets fashion.