The material is too thin. Murphy's multifunctional pot is a multifunctional pot designed and introduced by Murphy. It has seven functions of frying, roasting, steaming, boiling, rinsing and frying, and meets the production needs of cooking, stewing meat, making soup, rinsing hot pot, frying steak, teppanyaki, fried eggs, pancakes, octopus balls and baking. Multifunctional pots generally do not expand, and the expansion of the bottom of the pot indicates that the material is too thin.