Casserole dish material:The casserole pot made of ceramic stoneware clay material, very strong and durable, resists chipping, cracking and staining, dry burning does not crack. Locks nutrients:Thanks to its clever moisture-retaining lid, effectively relieve the pressure in the casserole pot, prevent overflowing, can retain more vitamins and nutrients. Lasting heat retention:The casserole dishes has a flat bottom design, which absorbs heat quickly and evenly. after the flame is extinguished,