Product Introduction The rounded mouth provides a gentle feel to the palate. The mouth has been rounded to give a gentle feel to the food. The same high heat and cold retention as a stainless steel thermos bottle. Enjoy your daily lunch at the office or at school! Click-open structure. An evolved soup jar that is easy to open. When the lid is turned slightly, the click-open structure releases the pressure inside. Turn the lid further to open the lid. Separate parts for easy washing. Cautions (Disclaimer) > Please read carefully. Please read the instruction manual before use.