BBita DIY Resin Keychain Mold, Backward Number Alphabet Letter Silicone Mold for Epoxy Resin Casting DIY Sugar Cake Craft Jewelry Making Set Kit Condition: Preowned. Used. A portion has been previously used using epoxy resin for a diy project. Some letters/numbers have not be used. Please note there is discoloration and may have possible residue / signs of from previous use. Please note, while cleaning, the letter "A" was torn and can affect its ability to be used if using for liquid/epoxy resin.