The product use food-grade silicone materials. No BPA,no additives, no plastic fillers.It can be used safely in ovens, microwaves, dishwashers, and refrigerators.their non-stick nature, tough stains or food remains won't cling on the surface of the silicone molds.The sphere silicone mold can be used for making dome mousseThe inner wall of the Half sphere silicone mold is very smooth, which makes it’s easy to release the chocolate from the molds without worrying about breakage.