The outer layer of the sling backpack is made of waterproof and wear-resistant Oxford fabric, and the pocket lining is made of polyester. The Bag has 3 zipper pockets and 2 kettle pockets. This bag is designed with a large capacity and can be partitioned to store iPad, glasses, tissue, cell phone, ear phone, wallet, keys, power bank and umbrella, etc. The bag comes with a earphone hole for easy listening to music and making private phone calls. The pocket on the shoulder strap has a reflective strip, which can hold sunglasses, mobile phones, or other small items. The multifunctional bag ideal for business trip, travel, hiking, casual events, sports, shopping, outdoor activities, etc.