YKK invisible/concealed zip.  The teeth are rolled back so that they sit to the inside of the seam.  The puller is a discreet, lozenge shape.  These zips are perfect for skirts, trousers and tops.

YKK, Invisible/Concealed Zip

23cm / 9" - Skirt Length

56cm / 22" - Dress Length

Colour: 530 Jade