For use primarily with red wine. Store Ravi in the freezer. Insert Raviinto the bottle and pour. Reduces wine from room temperature to between 53F to 65F. High-impact plastic. Comes with small air pump that blows liquid from chamber before returning unit to freezer. Stands7-3/4" high, 2-1/2" dia. Weighs 7.4 oz. High-impact plastic.