Our sling bag weighs 1.1LB and is made of high density water resistant and tear resistant oxford fabric. The one-piece solid shell structure can effectively increase the protection and resilience of the sling shoulder bag, reduce collisions in daily use. The bidirectional metal zipper can be opened and closed smoothly without jamming.Main bag storage is large enough and designs muti-layer partition to meet the needs of storage pad, earphone, mobiles phones, books, wallet etc, which can make the items in your bag organized. Durable dual-access zippers design allows for easy access and increases safety which can also provide a private space for you. And the hidden anti-theft pocket on the back of this shoulder bag can also protect your valuable items from thieves.