1)Upscale Shoulder Sling; This sling bag is well constructed of high-quality water-resistant polyester material. Lightweight, strong and sturdy. Not easy to be scratched, high quality, and water-resistant. Ergonomic design makes it fashionable, multi-function, and portable for practical purposes in the daily life. 2)Capacity : 1 Main Compartment with 2 sub compartment and 1 additional side mesh slip pocket , 1 Mega External zipper pocket with dedicated slot for pens & notebooks. It also features 1 back zip pocket .It allows you to hold essentials, zipper pocket large enough to hold your travel gear: phone, cards ,pen , powerbank, purse, keys, MP3, iPad,notebooks and so on when you are cycling, running hiking climbing, or any other outdoor sports. 3)Shoulder Strap : The flexible strap of this chest bag can be adjusted varying from 19.6 to 42.5 inches in the circle. Fit for normal size or plus size. A suitable sling backpack for men, women.This bag also features double side strap buckle which enables customers to use strap from any side of the bag. 4)Ideal Applications; This bag is great gift suitable for men & women, Can be used as sling bag / chest bag / travel bag / messenger bag / shoulder bag / crossbody backpack / casual daypack / working or business bag, Perfect for work, vacation and any outdoor activitie (walking, hiking, camping, climbing, running, cycling, bike riding), travel vacation, trips to the amusement park or so on.An indispensable mini backpack for your necessities