Casual Oxford cloth bag backpack

Oxford cloth
 - Ergonomic strap is more comfortable(Tip: Some product tapes do not have logo) 
 - You can wear it on your shoulder or cross your body 
 - Adjustment system on back can accurately adjust the focus for different height and shape 
 - Length of the long strap of the bag can be adjusted 
 - The Chest Pack is provided with enough pockets, available for putting in your mobile, wallet, pens, sunglasses, keys and other stuffs 
 - the style of the bag is classic, which shows your outstanding temperament 
 - Main Bag Size: Approx.16x 31cm (L x H) 
 - Color: Black, Gray, 
 - Material: Oxford cloth 
USB charging type.