Used only once for a yakiniku (grilled meat)ツーリング (touring/motorcycle ride). I am selling it because I have no further opportunities to use it. ※ From the purchase site below: Product Overview of Crystal Yakiniku Plate [For Business Use] Natural crystal power! Excellent visual effect as you can see the flames through the plate! Less smoke and odor! Doesn't break even with high heat! Easy to clean, no scratches even when washed with a metal scrub! Product size: Diameter 150 x Thickness 15mm Material: Crystal (cut and polished)