The epoxy resin mold is made of silicone, which increases the thickness and bottom support of the mold to that the silicone mold not deform when pouring liquid resin and demoulding. Our epoxy molds have a smooth , are flexible, reusable and easy to clean. No need to buy additional accessories, it comes with a non-stick silicone measuring cup, high-quality wooden stick and plastic pipette. (does not contain resin) ① Please avoid using the flashlight/heater directly on the epoxy resin mold, as this eventually damage the silicone mold. ② It is strongly recommended to pour the resin layer when using large silicone molds to avoid overheating. ③ In order to obtain the best results when using the large crystal ball silicone mold, it is recommended to pour it layer by layer. ④ In addition, using a small amount of soap or warm water help to release the mold easily. These large silicone resin molds are perfect for embedding various items such as dried flowers, gemstone crystals or resin landscapes. Whether you are a newbie or an experienced resin artist, you can get all kinds of DIY inspiration from us. You can make your own resin gifts for family and friends. resin molds come in 2 sizes of large ball resin molds, 5 droppers and 10 disposable mixing cups. Large resin molds (4.7inch and 4inch ) are designed to preserve memories such as birth flowers, wedding bouquets, and capture important moments forever! Our epoxy resin kit is perfect for preserving flowers and creating DIY crafts. With our large resin molds, you can capture special moments like births, graduations, weddings, and more. Add crystal gems, trinkets or photos to even more memorable. These resin crafts are perfect for decorating homes, offices and events. It is also an excellent gift for your lover during festivals such as Valentine's Day and Christmas.