Silicone moulds are a flexible silicone rubber that can be used with wax, soap, cement, concrete, polymer clay, polyester resin, polyurethane resin and epoxy resin. These silicone moulds are flexible and re-usable.
This mould size are about 31mm wide, 46mm long, 9mm thick;
inner diameter:
heart: about 10x11mm
heart: about 13x14mm
heart: about 15x17mm
star: about 5x5mm
star: about 7x7mm
star: about 8x8mm