Canvas,Cotton Multipurpose -- it can be used as shoulder bag, purse, tote bag, handbag and backpack Made of cotton canvas -- strong and durable. Adjustable shoulder straps -- made of leather and cotton Main compartment: main size --(14''L×4''W×14''H - updated version), hasp and magnetic closure with 1 compartment -- easy to hold up to 14-inch laptop, iPad, umbrella wallet, towel, cosmetic, clothes and other daily things; 1 padded sleeve (12''H×12''L) -- fix and protect your electronics; 2 zipper pockets and 1 pouch -- for your little stuffs Frontal and Back: each with 1 exterior zippered pocket for daily supplies or holding frequently used stuff ( keys, cards, earphone, power bank, etc. ) Perfect for dating, work, school, day trips, camping, shopping, etc in various occasions