This Heart Mold is perfect for creating resin keychains. It's made with silicone material, providing a shiny surface for maximum detail. Craft beautiful keychains with precision and ease. Our resin casting molds are made of High Quality silicone by advanced techniques, flexible and durable, reusable and smooth. You can use it to make phone grip top, key chains, earrings, pendants, charms, etc. The epoxy mold is well-made, soft, flexible, easy to demold, sturdy, not easy to get deformed, washable, pretty durable and reusable. The silicone molds are compatible with most of resin and casting materials such as epoxy resin, cement clay, polyester resins, etc. Material: Silicone Color: Teal Shape: Square 2.56 * 2.37in Item Dimension: Lenght 2.22 in (56.4mm) Width 1.99 in (50.6mm) Thickness 0.23 in (6mm) Please pay attention to the size of the mold in the listing, MOLDS MAY BE SMALLER THAN EXPECTED! These particular molds we sell are for small earrings and jewelry. You can see the size in the description as well as in the photos, as I took the photos with my hand holding the molds.