✔ ADVANCED MATERIALS: OZUKO Sling Bag is made of high-density oxford fabric, waterproof and wear-resistant. Breathable and decompression carrying system, heat dissipation, ventilation, shock absorption. It's more comfortable carrying a heavy load, relieves the stress of your shoulder. Offering your back plenty of cushioned comfort. | ✔ PRACTICAL & SAFE: Main compartment of the anti theft sling backpack with lockable zipper design,convenient for locking your valuables. USB port design,built-in USB charging cable, convenient charging, walking stress-free. Hidden anti-theft pocket on the back of this business backpack, protects your items from thieves. The surface of the package is printed with reflective design, and the night warning is safer. | ✔ MULTI STORAGE AREA: 6.7"L x 3.2"W x 13.4"H, Suit for 9inch IPad. Large capacity main bag, zipper pocket, inner patch pocket, back zip pocket, shoulder strap card pocket, side pocket, make it easier and safer to store small items. such as your clothes, books, lunchbox, coins, cell phone, keys, pens, etc. Large capacity sling bag can meet your storing need. | ✔ MULTI-FUNCTIONAL : Stylish, Unisex and Effective. OZUKO Shoulder Bag is a great companion for OUTDOOR/INDOOR activities. Can be used messenger bag / shoulder bag / cross body backpack / casual day pack / sling bag / chest bag / travel bag / working or business bag, suitable for office, school, outdoor, business and other occasions. | ✔ QUALITY SERVICE: If you are not satisfied with the quality of the product, we will give you a full refund. If you have any questions, please do not hesitate to contact us as soon as possible. Customer satisfaction is our main goal!