Premium Silicone Material: Rectangular Square Ball Silicone Molds are made of silicone with advanced technology, flexible and durable, reusable and high transparency, and easy to use and clean. This silicone mold kit contains a total of 9 pieces, 6 rectangular silicone molds in 6 sizes, 2 square epoxy resin silicone molds and 1 spherical resin mold. Strong compatibility: These resin silicone molds are compatible with many casting materials, especially for epoxy resin, casting resin, not for coating resin; add resin pigments, resin colorants and incorporate different types of decorations or fillers; and with the following molding materials such as gypsum, wax, soap, polymer clay, gypsum, etc. Easy to release: These casting resin molds have smooth and shiny interiors, they can be easily taken out of the silicone molds after the finished works are fully cured. Wide Application: Ideal for making specimens, coasters, paperweights, soap dishes, wall decorations, bowl mats, home decorations, etc. You can also share more time with your family and create unique dried flower, leaf and insect specimens and other resin jewelry projects with loved ones, friends or children.