This product is mainly used the properties of silicone materials in the clever combination of pot, the pot mouth discoloration install a special silicone material, silicone pot when the lid when the lid on the mouth can effectively enhance its air-tightness of the heating faster, and can save energy. Lock more nutritious food, keep food flavor. Food grade silicone can change color when the pot reaches a certain temperature silicone ring will slowly turn red, leaving you free food temperature control, safe cooking, enjoy cooking wonderful feeling. The mouth of the pot while silicone ring coating can effectively protect against scratches, durable products! Packing and shipping is more than the pot will not scratch the pot stacked together to save space transportation costs.