This is a used item. When purchased, there was a thin chipped area on the inside edge, but it did not affect use. [Specifications] Body size: (approx.) 230 x 140 x 128mm Body weight: (approx.) 1060g (excluding stones) Material: Body/lid: ceramic, Stones: natural stone Accessories: Natural stones (weight: approx. 300g) Specifications: Microwave oven only [Features] Easy, authentic stone-baked sweet potatoes in the microwave! The ceramic and natural stones create a gentle flavor. Also suitable for various ingredients such as corn and potatoes. ● Easy cooking, just heat in the microwave ● Gentle flavor thanks to the ceramic container and natural stones ● Suitable for various seasonal ingredients such as corn and edamame ● Comes in a color package, perfect for gifts Heat in a 500W microwave for 10 minutes, then let it steam! The "ceramic sweet potato baker" allows you to easily enjoy fluffy baked sweet potatoes! With its authentic construction using ceramic and natural stones, it brings out the deliciousness of the ingredients, resulting in a gentle flavor. Not only for baked sweet potatoes, but also for corn, potatoes, edamame... You can easily cook seasonal ingredients at home whenever you want.