Food Grade Stainless Steel: Our burger is made of stainless steel with about 14cm diameter. The smash burger is polished for extra durability and extra safety, helping you cook a perfect patty. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Perfect Burger Partner: helps cook meats more efficiently, pressing out excess fat and oil for healthier cooking. It reduces cooking time and enhances flavor, allowing you to cook juicy patties with crispy edges like a professional chef. Silicone Heat- Handle: The upgraded heat- handle, covered with high-quality silicone on the basis of a cylindrical anti-scald hollow handle, further insulates heat, so you need to worry about burning your skin when cooking. No Stick and Easy to Clean: Polished stainless steel has a smooth that prevents sticking, keeping your patties intact. It's stain- and rust-, making it easy to clean with either water or a dishwasher.