It is made of 1st quality stainless steel and Heat Resistant Fireproof Non-Stick High quality silicone material. Made from BPA-free, harmless silicone material. It prevents cooking utensils from being scratched and damaged. -40?~240? It is resistant to high temperatures. Thanks to its pull ring technology, it prevents accidental opening and closing. Product Dimension: 26-7*5-1 cm.