Adjustable Sling Bag: The flexible strap of chest bag can be adjusted varied,You can freely adjust the shoulder straps according to your preferences. Large Capacity: Shoulder bag with multiple compartments and pockets including a hidden security pocket, mobile phone pocket,big pockets with room for all your belongings. Sling backpack can effectively keep your belongings, such as cosmetics,tissues,keys, mobile phones,ipad,passports,water bottless,umbrellas,etc. USB Charger Port & Headphone Hole: Cross body bag with USB Charging Port & Headphone Hole(without portable charger) - Implant USB cable. You may charge your mobile phone easily with the USB charing port (using the implanted USB cable connect your potable power supply). A Mobile Phone Pocket in shoulder strap makes you convenient for charging and listening while walking. High-quality Material: Crossbody Backpack is made of high-quality nylon material, which is durable, scratch-resistant, comfortable, waterproof and lightweight. High-density and strong hand straps will reduce your burden and travel easily. Multi-Purpose Sling Backpack: It is a multipurpose bag that can be used as sling bag, sling backpack, crossbody shoulder bag, hiking daypack, travel chest bag, casual daypack, messenger bag, business bag, Wide Application: Perfect for Travel, Gym Sport, Hiking, camping, biking, family trip, office, school, and other occasionsits light and comfortable to carry around.