Unique Oxford Waterproof Backpack Bag

Lining:polyester size:about 29cm/11.42"x13cm/5.12"x40cm/15.75" [conversion: 1cm=0.3937 inch, 1inch=2.54 cm] features: -open method: zipper open. -multi-purposes designed, you can use it as backpack,handbag,crossbody bag. -breathable shoulder design,convenient and practiacal. -it can store laptop,ipad, umbrella,power bank and pocket money, phone, etc. -perfect for business traveling, weekend getaways, school, shopping and other outdoor activities in daily life.