Double Flange Zipper :

Having Flange on both side of the zipper. Equal or unequal.

Single Flange Zipper :

Having Flange on one side of zipper.

Having one side of zipper profile as a hinge

Zipper with no Flanges.

Zipper having broad distant profile.

Zippers with or without flange to facilitated sliding of slider.

Zipper with one side of the zipper flange joint together.

Zipper having two profiles