Features: Our mini letter resin molds are made of silicone. Doesn't stick and very easy to separate from the resin. Material: Food Grade Silicone. Working temperature is between -40 to 230. Ideal-for chocolates, ice cubes, jellies, cake decoration, fondant or make any sugar craft mould. DIY craft projects: Resin casting is a fun project for all ages and now you can create your own 3D resin alphabet, numbers and symbols with this silicone resin mold set. Easy to use and clean: Simply pour resin into the molds to form the characters. You can add beads, rhinestones, sequins, dried-flowers or any decorative objects you like. Specifications: Material: Silicone Size:Approx.20.9x13.6cm/8.22x5.35" Note: Please allow 1-2cm errors due to manual measurement,Please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Piece Silicone Mold