Silicone mould size 36 x 19 cm for crystal resin or Jesmonite clay. The set of 36 letters A-Z and numbers 0-9 has a uniform height of 4 cm and depth of 0.8 cm. This mould is reusable. Cast from this mould will serve as a beautiful decoration. To prolong the service life of the mould, we recommend applying a separator on the mould before the casting process.