No need. The main body of the Atomy stainless steel wok is composed of 2.5mm 5-layer composite gold. The lid that comes into contact with food and the inside of the pot body are made of 316 stainless steel, so there is no need to open the pot and can be used directly. Atomy pots have a five-layer composite gold structure. Each layer is carefully polished and durable. You can choose with confidence and can make healthy dishes without water and low oil.