This is a suitcase with locked zipper,which looks like a regular zipper from the outside,but no matter how much you pull on both sides,the bidirectional sliders stay firmly and cannot be opened.

From outside,the invisible design of the anti-theft zipper for luggage makes it seamlessly integrated with the suitcase,and look more streamlined and neat.The teeth of the zipper are hidden,which reduces the risk of malicious damage and makes it safer.It is also less prone to accumulate dust and dirty,much easier to clean and maintain.Then what is the most unique feature design of DOREMI patented anti-theft zipper?