Glass with flat stainless steel top, 12 piece set, 2 oz. capacity, Individual piece measures 1.57-inch round x 3.15-inch high, Tops are made of 18-0 stainless steel Glass with flat stainless steel top 12 piece set 2 oz. capacity Tops are made of 18-0 stainless steel Individual piece measures 1.57" round x 3.15" high