Borealis collection is actually clay with a really cool crystal glaze, finished with 24k gold or platinum, and handmade in Western Massachusetts by Michael himself. Perfect as a cheese tray, for serving veggies, or just as décor, the Borealis collection is sure to attract attention. Looking for something different for yourself or as a gift? This is definitely it. Safe to cut on! Hand Wash, do not put in microwave!