Adjustable shoulder strap waterproof chest bag with USB charging travel backpack 1.The shoulder bag is made from waterproof, tear-proof nylon. It has a double zip fastening and an adjustable shoulder strap with metal buckle. The shoulder strap is adjustable to the desired length. The back and shoulder straps are designed with breathable terry mesh to relieve the pressure of carrying for long periods. 2. integrated external USB charger and charging cable, this chest bag lets you charge your mobile phone while walking. 3. Plenty of space inside for your camera, wallet, keys, mobile phone, iPad, toiletries and other accessories. 4. Perfect for passports and boarding passes, etc., keeping them safe but easily accessible. Ideal for everyday use, camping, hiking, holidays, travelling, trekking, mountaineering and much more. 5. Ideal for businessmen or travellers who want to show off their fashionable personality, it's also a great gift for your family. Colour: brown Size: 30*18*10CM Material: nylon Include: satchel *1+USB cable *1