* [Multi-Application]: This shoulder bag has an adjustable shoulder strap，it can be used as a small backpack, you can also wear it as a chest bag, a crossbody bag, etc. * [Lightweight &Portable]: Easy access to small items, perfect for daily use or as a carry on luggage. * [functions] :Backside luggage belt allows your backpack fixed on a trunk handle and free your hands on a trip.★Padded mesh of the shoulder strap reduce the pressure effectively.★There is an extra fixed waist belt on the shoulder strap. When you are running,it can fix your shoulder belt so that it won’t shake. * [Trendy Look] The surface of the backpack is made of waterproof material,waterproof and durable. With metal zipper and buckle,so it has a trendy look. Unique and elegant appearance makes you the most attractive person when you wear it to bike, walk, hike, date or other outdoor activity. * [Product Quality] We are committed to quality and inspection, but if there are any defects or flaws during the transportation and use of the product, please contact us immediately by email.