DouGuYan Fashion Nylon Unbalance Sling Backpack Chest Bag Shoulder Backpacks A polyester sling backpack that is perfect for outdoor sports, travel or everyday use Dimension:18.113.47.5inch(HLW),weight:0.8lb Air mesh back panel for your carrying comfort Front zip pocket, side mesh slip pocket, fully-lined interior features a back wall zip compartment for organization The phone pocket on the strap fit for larger smartphones,like iphone 6s plus. we update the pocket size follow the customers suggestion