Zips are an essential part of many dressmaking projects, so it's important to make sure what you're using is just as good as the fabric you choose. This zip is YKK stamped for guaranteed quality. Concealed zips are ideal for making dresses and skirts, as they can be inserted in a way that allows them to be nearly invisible. You'll probably need a special foot for your machine to allow you to do this accurately and neatly. .YKK concealed zip .40cm / 16 inch length .Ideal for dressmaking projects Please note colours may vary slightly due to different screen settings, if you have any doubt about a certain colour or shade please let us know via live chat, phone or email and we will do our very best to help you choose. Happy sewing.