It is completely made of food-grade PP shell + 0.5L ceramic inner pot+0.3L Glass inner pot, And it uses water-insulated stew pot to Lock Nutrition By Water-insulation Techniques.With several liners, Several liners working at the same ពេលវេលា, អាច stew រសជាតិផ្សេងៗគ្នានៃអាហារក្នុងពេលតែមួយ។