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Is Zipper the right name?

Hi

I would like to know how to name the kind of system that closes freezing bag (have a look at the pi).
Is zipper the right name?

B.

Picture of Is Zipper the right name?
Yonatan242 months ago
Downunder35m2 months ago

Considering they are called zip lock bags in many parts of the world....
Working pricinple is the same, one side latches on the other and it is not velcro - so....