High quality Silicone Moulds that are both flexible and translucent. This mould is approximately 19cm across x 3cm in height Our new silicone moulds are chosen especially for use with Jesmonite and also work well for other casting materials such as resin, plaster or polymer clay like Sculpey. Easy to use they provide a selection of moulding possibilities. They can be prepainted prior to filling with your chosen casting material or you can place Terrazzo flakes within them for amazing finished pieces. Easy Release Reusable and washable These moulds can withstand temperatures ranging from -40 to 230 degree centigrade. Please note these are not intended for food use and should only be used for craft projects. CLSIL0004