【Waterproof Crossbody Backpack】 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. 【Large Capacity】The Size of Sling bag is 31*17*6 cm (H*L*W). 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,etc. 【 Adjustable &Lightweight Sling Bag】The flexible strap of chest bag can be adjusted varied,You can freely adjust the shoulder straps according to your preferences. And the daypack is only 150 G that is light weight to carry.This crossbody backpack is comfortable for men and women. 【USB Charging Port:】This Cross body bag does not contain a charging power supply. This chest bag for men and women comes with a USB charging port great convenience for charging your electronic devices via connecting your own power bank, you can connect your phone to and easily charge outdoors and travel. 【Multi-purpose Sling Backpack】It’s 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。 And you will get a card holder wallet with this sling backpack.This is the perfect gift for your husband, boyfriend, son, wife, girlfriend, or daughter. sling backpack for man