The brush are made of high-heat resistant silicone rubber that can withstand up to 230 degree C (500 F). the material are Non-toxic and tasteless. These basting brushes won't melt, shed, fray, stain, retain odors, or lose their shape. They are hygienic, easy to clean, provide excellent control while spreading and will last for years. Easy spreads: butter, oil, margarine, sauces, marinades and more. Support any color and size. we also can customizes various style according to customer's requirements.