They provide an easy way to make an item of jewellery or a practical gift. Simply add a drop of glue into the mount then pop an 20mm printed cabochon on it. Allow the glue to dry and you’re ready to go. Try printing your own 20 mm image to put onto a mount or choose a lovely picture from a Collage sheet and add a glass cabochon on top ! 20 mm diamond shape with a  loop at each end for attachments -  3 pieces per pack.