BOLANG Canvas Chest Bag Causal Witzman Shoulder Sling Backpack for Hiking School 2073 Canvas Material: this canvas sling bag is made of high quality cotton canvas with PU leather, high quality polyester lining. Size: 6.5"(L)x3.5"(W)x11.25"(H), weight: 0.52kg; Structure: 1 rear zipper pocket; 1 front zipper pocket on flap, 1 zipper pocket under the flap; 1 main pocket with 1 open pocket; Recommend to use as hiking sling bag, chest shoulder pack, outdoor sports sling bag; Safely store and organize your cell phone, tablet, wallet, keys, ID card, credit card, small snacks, and other small personal belongings; Convenient and Adjustable: Perfectly works as sling shoulder pack, wear this sling bag over either shoulder comfortably, or across the chest to deter thieves and keep your hands free. You can make the bag firm on your body by adjusting the strap when you're running.