Material: These letter number molds are made of food-grade silicone, non stick mold. | Work Great: Your food can seay pop out with number silicone molds or silicone letter mold. | Clean Easy: Dishwasher safe for quick and easy clean up, is an excellent gift for your family or children. | Number and letter silicone mold is flexible and reusable, great for baking cookie,chocolate, jelly, candy, ice cubes and cake decoration. | Occasion: These silicone baking molds are perfect for many home parties and festivals,like birthday party,friends party,children's parties, Valentine day and Mother's Day and more.