1. MULTIFUNCTIONAL STORAGE SPACE: storage space. The main spacious compartment can hold 3-5 thin tops or pants, the can be used to store iPad, wallets or power banks. The inner zip pocket can be used to store ID and credit cards. There are also two side pockets that can store water bottles and umbrellas. 2. SEPARATE SHOES COMPARTMENT: which can accommodate a pair of slippers or low-top casual shoes and sports shoes, which is convenient for you to replace when you go to fitness, swimming, playing and other sports. 3. WET POCKET: The wet pocket can hold wet items, such as toiletries, towels, swimming suits, etc., which is convenient for you to use when you are on a business trip or shower after exercise, and avoids getting wet in other parts of the backpack. 4. SAFE: The small anti-theft pocket on the back of the backpack can prevent your cell phone, wallet and other valuables from being stolen, making your travel safer and more secure. 5. DURABLE MATERIAL SOLID: Made of water resistant and durable nylon material, the backpack with metal zipper ensures long-lasting everyday use. Served as a durable backpack, mens/womens gym backpack, you can use it anywhere for fitness, travel, camping, hiking and overnight trips.