Birch Invisible Zip
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 (or Prym 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. Will also match Birch polyester thread colour range. 40cm (16inch).
