Shinshu-yaki Genius Chef ■ Product Name: Shinshu-yaki Genius Chef (Far-Infrared Ceramic) ■ Contents: 1 piece ■ Size: Outer diameter 68mm, Inner diameter 32mm ■ Weight: 55g ■ Raw Materials: Ceramic ■ Simply put it in a pot or rice cooker to make your dishes taste better. Rice becomes fluffy and sweet, and fried foods are crispy. Made from safe natural stone materials. ■ A ring-shaped far-infrared ceramic made from safe natural stone materials. ■ Proven to emit high far-infrared rays, similar to Kishu Binchotan charcoal. ■ When placed in a pressure cooker or rice cooker, rice becomes shiny, fluffy, and sweet. When placed in frying oil, fried foods become crispy. ■ When placed in boiling water, the water becomes milder. Although it is an unused item, it has been taken out of the box for photos. Please refrain from purchasing if you have any concerns.