silicone , silicone, our pendant mold will not easily. flexible, & easy to remove, and the pendants come out with glossy finish. Versatile usage,the earring casting can be applied for many occasions and projects, they are fit for making necklace,earrings, party decorations, keychain pendants, bag ornaments and more; you can also share with your friend or family members who are handicrafts lovers. Easy to use,pouring resin into silicone mould creating crafts.enjoy fun you can add , small dry flowers, trinkets, or embellishments to the silicone mold, make your own unique . Wonderful ,the finished products sweet warm for friend family or yourself. Unique designs,hollow-butterfly-shaped silicone ,fashion,charmings.