Features1. SPLASH-PROOF & DURABLE: The shoulder bag is made of the latest Oxford fabric on the outside, and made of sturdy and durable polyester on the inside. Effectively prevent liquid from splashing into the backpack and soaking the contents of the bag. 2. External USB Interface: You can easily charge mobile phones, tablets, and other devices without opening the backpack. Do you still feel burdened when you need to hold power bank to charge The sling bag brings you travel convenience and liberates your hands.3. Multifunctional Pocket: This is a small but spacious shoulder bag. Design is simple and stylish.The shoulder bag is equipped with reinforced shoulder strap, circular expansion pocket and main pocket, which can hold mobile phones, pens, earphones, passports, wallets, glasses, keys, etc., and a zippered pocket on the front for coins, cards, etc. Find what you want quickly and easily. 4. Suitable Size: Length (6.3 inches) Width (2.4 inches) Height (12 inches). Adjustable shoulder strap, shoulder bag with non-slip shoulder strap, adjustable according to height or body type. Suitable for many occasions, this sling bag is your ideal choice. 5. Widely Use: Suitable for sling bag, chest bag, crossbody bag, messenger bag, shoulder bag and travel bag for men, women. It is very suitable for work, shopping, business travel and daily life. You can always carry your bag for outdoor activities, such as running, cycling, camping, leisure, etc. SpecificationMaterial: NylonColor: Blue, Grey, BlackSize: 16 x 6 x 31 cmWeight: 250 gPackage Include:1x Chest Bag