Food grade material, material safety, durable. - Cleaning All parts are removable and easy to clean. You can pop out the non-stick base directly by hand, so that you can remove your perfectly round bun-sized burger effortlessly and without dirt. - Use the spring hamburger patties maker, it jumps automatically and saves you hassle. Easy to use, quick to make burgers. - Application Hamburger Press Patty Maker made of stainless steel is suitable for pressing burgers, pies and patties.