Birch invisible zipper 

Col. 249/Peacock

Sizes available: 18cm/7", 20cm/8", 25cm/10", 35cm/14", 46cm/17", 56cm/22"

Use this invisible zip when a hidden zipper is required for your fashion or household projects. This zip can be applied with a Birch Invisible zipper foot. Made from high quality polyester materials, this zip is available in a variety of colours and lengths.

For best results, use with Gutermann threads.