These moulds are made of silicone 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.
The bottle base mould measures measure 9.5 cm by 7.5 cm. The bottle top measures 1.5 cm by 7.5 cm.
It comes with 2 moulds and 1 pump to get you started.