Natural Agate Coasters Size : Height 5,5/6mm - Diameter 89mm(3,5") Type of Stones: Natural and dyed agate polished Stone colors: Natural / Blue / Teal / Green / Black / Purple / Pink Metal border : Stainless Colors border: Titanium Nitride – Gold and Stainless Set: 6 pieces of stones with metal border + holder Slice weight : 85 grs. Holder : 50grs. Unit box: 50grs. Total weight: 650 grs.