Made of high quality silicone, they are totally food grade, FDA grade. The stainless steel core makes them extremely durable, the seamless one-piece design makes them so easy to clean and sanitary to wash. The flexibility is also excellent. Say goodbye to scratches and damages on your favorite pans, pots, jars or bowls. The nice-looking ergonomic and comfortable design of the handle will make you happy when cooking. Can be used for baking, flipping, sauteing, and cooking. They will protect your pots and jars perfectly. Great for scraping your bowls or jars. Give them as a gift, and people will be impressed.