[Waterproof]The outside of the sling bag is made of the latest Oxford fabric and the inside is made of strong and durable polyester. This makes the packing lighter and stronger. It is worth mentioning that the Oxford fabric gives the shoulder bag a clean, neat and structured look while preventing liquid from splashing into the backpack and soaking the items.[Large Capacity]The shoulder bag has compartments and hidden security pockets, which are convenient for you to store various items. Sufficient capacity, can hold mobile power, cosmetics, tissues, ID cards, mobile phones, keys, passports, headphones, etc. At the same time, it has a neat and slim appearance, can be matched with any clothes and accessories, and is very comfortable to wear. It is an excellent gift for family and friends.[Multifunctional Backpack]This sling bag can be used as a chest bag, messenger bag, shoulder bag and travel bag. Convenient to carry, you can wear it across your chest to deter burglars and keep your hands free, perfect when you're on the go.[Adjustable Design]The waist belt of this small backpack can be adjusted in size according to your needs. The length of the adjustable shoulder strap is 60-110cm, people of different body types can be adjusted to a suitable length for use and fit. The inner pocket is designed for daily use, and the shoulder strap pocket easily accommodates phone screens less than 7 inches.[Frequently Used]The chest bag is suitable for men and women. Perfect for work, shopping, business trips and everyday life. Versatile, you can carry the bag anytime for outdoor activities, such as running, cycling, camping, hiking, relaxing and more.