*【Structure and Material】:Made of high-density oxford fabric, waterproof and wear-resistant. Breathable and decompression carrying system,ventilation, shock absorption. It's more comfortable carrying a heavy load, relieves the stress of your shoulder. Offering your back plenty of cushioned comfort. fabric lining, zip closure, fashion and luxury, which shows your outstanding temperament when business/travel. *【Versatile & Special】:Size:11.8×7.4 x 4.2 inch  , large capacity main bag, zipper pocket, inner patch pocket, two side zip pockets, shoulder strap card pocket, make it easier and safer to store small items. Large capacity can meet your storing need.the length of the shoulder strap can be up to 140cm(55.1"). The shoulder strap can be adjusted according to your needs. Different ways of wearing it can meet your different needs. *【Multipurpose use】: Stylish, Unisex and Effective.This sling bag can used as a chest bag, single shoulder bag, messenger bag, cross body backpack, shoulder backpack, Daypack, travel bag, business bag, outdoor bag,casual day pack, fit very well for adult men or women, working or business bag, suitable for office, school, outdoor, business and other occasions. USB charging port.You can charge it anytime, anywhere.No restrictions on travel. *【Satisfaction Gurantee】: 100% satisfaction guarantee warranty and friendly customer service: Don't worry about the service. If you have any problem about the item, Please Do not hesitate to contact us. (Through the order ,you can find out : CONTACT SELLER) We will be there with you!