Why you need this backpack?
When you are outside crowded with others carrying a backpack, You may worry much, if everything is in bag safe in each pockets, So you have to check and check again. So secure backpack / secure travle bag release you from this kind worry. Say goodbye to those pickpocket behind you. it is a nice concept to prevent potential theft especially when you are on public transportation and it is crowded.
Check Video for more details at Youtube:
https://www.youtube.com/watch?v=d0PvcqxDAx4