The ONLY donabe in the world specifically crafted to cook foods to perfection in a microwave oven by reflecting the microwaves AWAY from the lid and the upper edges, while directing the microwaves to a heat gathering ceramic plate on the bottom. The Microwave Donabe is made of special pottery with a liquid absorption rate of only 0.5%, so there is no need to worry about color transfer or odor transfer. The porosity and natural insulation properties of clay causes far infrared heat which thoroughly heats and cooks your food, without drying it out. This Microwave Donabe is extremely popular in Japan, as people want the “umami” (flavors) produced by cooking in a Donabe, but with the ease and speed of cooking in a microwave. Certified lead and cadmium free, meets California Proposition 65. Made in Japan. Can also be used on direct flame or in conventional ovens as well. Free online recipes for the customers. Beautiful color box for shelves.