These moulds are made of silicon and are very flexible, which means they don’t need a releasing agent and your finished piece just comes out very easily and with the use of minimal force.
The moulds can be used for a variety of materials including wax, polymer clays, soap, gypsum/plaster of paris , various types of resins etc.
One pack contains 4 moulds as shown and each mould approximately measures 12 cm in diameter