1. The larger zipper compartment is compatible with iPad Pro 11 3rd M1 5G 2021, iPad Air 4th 10.9 2020, or other 6-11 inch tablets. 2. Smaller zipper style, used for storing mobile phones, wallets, or outdoor/travel items. Multi functional storage area with auxiliary compartments with functional pockets for storing items. 3. The tightness of the backpack shoulder straps can be adjusted. Perfect for your body. There are two ways: left or right. When you carry your bag for a long time, it can relieve stress. Can be used as a crossbody bag/shoulder bag/crossbody bag/casual day bag/shoulder bag/chest bag/work bag or business bag. 4. There is a headphone jack in the front pocket, allowing you to easily enjoy music. At the same time, the breathable shaped padded shoulder straps and backboard are comfortable and lightweight, allowing for the release of heat instead of accumulating it. Made of durable and soft polyester material, equipped with smooth zippers and strap clips for easy access to items. 5. This backpack is suitable for both men and women, suitable for outdoor sports (hiking, cycling, cycling, walking, running, camping, hiking), office, and business. colour:navy blue;black;Light gray;Dark blue+black+light graysize:17 x 33 x 7.5 cmMaterial:oxfordZipper closure 1. The larger zipper compartment is compatible with the iPad Pro 11 3rd M1 5G 2021, iPad Air 4th 10.9 2020, or other 6-11 inch tablets. 2. Smaller zipper style for storing mobile phones, wallets, or outdoor/travel debris. Multi functional storage area, auxiliary compartment with functional pockets for storing items. 3. The flexible backpack shoulder strap can be adjusted for tightness. Perfect fit for your body. There are two ways to carry it: left or right. When you carry your bag for a long time, it can relieve stress. Can be used as a crossbody bag/shoulder bag/crossbody bag/casual day bag/strap bag/chest bag/work bag or business bag. 4. There is a headphone hole in the front pocket, allowing you to easily enjoy music. At the same time, the breathable shaped padded shoulder straps and back panel are comfortable and lightweight, allowing for the release of heat rather than accumulating it. Made of durable and soft polyester material, equipped with a smooth zipper and strap clip for easy access to your items. 5. This strap bag is suitable for both women and men, and is suitable for outdoor sports (hiking, cycling, cycling, walking, running, camping, hiking), office, and business.