Men's 15.6" Laptop Hard Shell Backpack Waterproof Anti-theft

Notice:

Normal version can not extendable/Upgrade version can extendable

There is an error of 1-2cm due to manual measurement, please understand.

Men's 15.6" Laptop Business Backpack Waterproof TSA Anti-theft Expandable Hard Shell Gaming Pack Man Luxury Backpack USB Charge

Fabric:ABS+PC

Weight:Normal Version:1.2kg Upgrade Version:1.4kg

Size: Normal Version:31*8*47cm Upgrade Version Can be expanded 10cm