The fundamental characteristic of this zipper is that, correctly sewn, it is not visible, similar to a seam of the garment itself.

Due to its lightness, it is only suitable for the manufacture of thin and light garments, the application technique being decisive.

It is usually manufactured on a 100% polyester tape woven with a double knot thermofixed and texturized, known as semitransparent, although it is also available with other types of tapes, transparent, denim, cotton or even customized Jacquard.