One invisible separating zipper 18" length; Size #5 Open end; can be set into cardigans and jackets Durable and beautiful Bias Bespoke brand - a small "BIAS" is engraved into the puller Size #5 invisible zippers that completely separate so that they can be set into cardigans and other garments and accessories that need to come completely open. These zippers are our Bias Bespoke brand (a small "BIAS" is engraved into the puller) and are durable and look great. Easily shortened from the top of the zipper.