This Backpack applies anti-theft design technology.The zipper of the main pocket is fully hidden in the back of this bag, no theft will easily open your backpack. Anti-Theft Backpack saves you not only from being a victim but also from having to deal with the nightmare of losing the things that can’t be replaced. Your wallet and other valuables are protected because of its hidden zipper, so you don’t have to stress over losing your stuff. Your transport card, passport, or tickets are safe in the backpack’s waist slots. This means you wouldn’t have to open your bag each time you take a train or go through Immigration.