Multi-purpose Sling Backpack: Its 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, Perfect for Travel, Gym Sport, Hiking, camping, biking, family trip, office and other occasionsits light and comfortable to carry around. Enjoy an easier and happier life! (Note: This item is not intended for use by children 12 and under.)High-quality Materials: Crossbody Backpack is made of high-quality PU leather material, which is durable,scratch-resistant,comfortable,waterproof and lightweight. High-density and strong hand straps will reduce your burden and travel easilyUSB Hole & Headphone Hole: Cross body bag with USB Hole & Headphone Hole(without portable charger),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 walkingLarge Capacity: Size: 13.8 x 6.7 x 3.6 inches.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 mini,passports,water bottless,umbrellas,etcAdjustable Sling Bag: The flexible strap of chest bag can be adjusted varied,You can freely adjust the shoulder straps according to your preferences.This crossbody backpack is perfect for men