Juting Sog Backpack Large Capacity Shoulder Bag Fashion Men's Bag Casual Splash-proof Chest Bag High-quality Messenger Bag Men's Men's Travel Sling Bag (Color : Black)

It is very handy and convenient.
External usb charging port for playing mobile phone anytime, anywhere
Light as a feather, easy and portable, lightweight design concept, seemingly weighty
Waterproof material · One wipe and dry surface. The surface has the principle of lotus leaf effect, so you are not afraid of getting wet in rainy days.
Double-sided buckle design is used to avoid overwork while using for a long time