Silicone trays are Eco-friendly, durable, nontoxic, BPA free, non-deformable, heat-resistant temperature is -104℉ to 446℉, safe for use in the oven, freezer.Flexible just pop out with fingers without any residue. So it’s very easy for kids to use.Nonstick molds allow for easy release of candies when they’re finished hardening, each mold can be hand washed or put in the dishwasher after use.You can use molds to make snacks and gifts for kids, friends and family! Each mold is soft, waterproof, easy to demold, fadeless that you can also use them for cake baking, hard &soft candies, gummy, protein, energy bar, cocoa bar, chocolate bar, jello, fat bombs, ice cubes, yogurt, ice cream, mint molds for cream cheese and so on.