EXPANDABLE BAG: It can easily expand according to your need, the one zipper can expand the bat up to 5cm in width.
USB CHARGING: Easily charge your phone with the existing port outside the bag. No hassle on bringing out your portable power bank outside, just connect it to the port inside your bag, then connect your phone to the built-in port outside.
ANTI THEFT POCKET: Secure your important things like your cellphone and wallet to the secret pocket, no worries while traveling.