Ribtex Resin Silicone Mould Hoop Earrings White 1pc Create your own resin earrings with this Ribtex Hoop Earring mould, add in Ribtex UV Coloured Resin or Polymer Clay mix-ins to create something extra funky. The mould is made of a durable silicone and is flexible and resistant to tearing.Once cured UV Resin will be easily released from moulds. These are suitable for creating with both UV Resin and Epoxy Resin.