Feature: -Jjewelry molds material of silicone, which is flexible and smooth. Screw eye pins are made of metal alloy, stirrers, droppers and spoons are made of quality plastic, hand twist drill is made of stainless steel. -This re-usable resin casting mold set is a good choice for you to share your handicraft with your friends and family, enjoy your happy ti mes together, and it would make a prefect gift for any of the crafty people in your life. Package Included: 31/83/118/229pcs （as your choice） How to use: Pour the dropping glue into the cup and then into the mould. Dropping gum into the mold to be flat, and then cover the mold with a shield to avoid dust falling into. Wait for the dripping glue to be completely dry, then take out the articles, and polish the parts that need to be polished until smooth. Note: -Please allow minor deviation due to manual measurement. -Due to the difference between different monitors, the picture may not reflect the actual color of the item.