Silicone moulds are a flexible silicone rubber that can be used with cement, concrete, polymer clay, polyester resin, polyurethane resin and epoxy resin. These silicone moulds are flexible and re-usable.
This mould size are about 112mm wide, 110mm long, 7mm thick, inner size:
Big cup: 51.5x34mm, hole: 3mm;
Small cup: 53.5x29mm, hole: 2mm.