Lava rocks found in the earth of Hida Takayama. The lava stone produces far infrared rays when placed on a fire, but this far-infrared light has the properties of warming objects from the inside. Charcoal-fired or teppany-fired surface may be burnt to the content, but when heated with a lava plate, the flame will be evenly distributed to the inside of the meat and produce a fresh and plump effect. Lava stone absorbs excess fat and vegetables moisture. It brings out the flavor of the ingredients of the meat and vegetables and makes it taste delicious. Hida Lava Rock Plate Yumaru -17 Size: Approx. 6.7 x 0.9 inches (17 x 2.2 cm); *There may be a margin of error between ±0.08 - 0.08 inches (0 - 2 mm). It has a groove around 0.1 inch (3 mm) around the edge and is treated to prevent excess oil from falling down. Treated from the Hida region of Gifu Prefecture. This lava plate is made in Japan at our own factory, so you can use it with confidence. Less oil splash compared to teppanyaki for easy clean up. Hida Lava Stone is suitable for baking food. Absorbs excess oils and moisture while maintaining the right amount of content, so your meat is healthy, juicy, and vegetables are freshly and softer. Please do not put the details in your luggage. Please contact us if you need. When the lava cools and hardens, the pebbles and air around it will curl up and harden. The bubbles created are black and the pebbles remain intact. It is the characteristics of natural lava stone itself. The characteristics of the stone are found in the baking surface and may be in the corners. Please note that this is not a chipped product.