* high quality 1680D laptop backpack ,with a removable Bulletproof Ballistic Shield insert
* you can use it for school ,travelling ,outdoor ,which can protect from the bullet
*The bulletproof ballistic shield is around 0.4kgs , you can put it to your another bags ,such as tote bag ,messenger bag ect
*The heavy duty backpack can bear the weight over 20kgs ,with a metal handle