[ Adjustable Sling Bag]The flexible strap of chest bag can be adjusted ,You can freely adjust the shoulder straps according to your preferences.This backpack is perfect for men and women. [ Capacity]Shoulder bag with multiple compartments and pockets including a 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,passports,water bottless,umbrellas,etc. [USB Charger Port & Headphone Hole] body bag with USB Charging Port & Headphone Hole(without portable charger) - Implant USB cable. You may charge your mobile phone 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 while walking. [High-quality Materials] Backpack is made of high-quality polyester material, which is durable,scratch-resistant,comfortable,waterproof and lightweight. High-density and strong hand straps will reduce your and travel . [Multi- Sling Backpack]It 's a multipurpose bag that can be used as sling bag, sling backpack, shoulder bag, hiking daypack, travel chest bag, casual daypack, messenger bag, business bag, Perfect for Travel, Gym Sport, Hiking, camping, biking, family trip, office, school, and other occasions...it 's light and comfortable to carry around. Enjoy an easier and happier life! Colour: Black Material: Polyester Package Contents: 1 x backpack Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.