Sold per dozen; Pour spout w/fliptop seal; Reduces over pouring and spills; (3) ball bearings for a smoother, more accurate pour; Valve alongside the main cylinder prevents after-drip and eliminates waste; Bottom design ensures ball bearings will never fall into the bottle; In the upright position, fliptop prevents anything from entering the bottle; Once the bottle is tipped, the hinged fliptop opens smoothly to allow free flow of liquor; Fliptop’s mount is molded into the top of spout with the movable part affixed with a metal pin; Assembled using a patented locking system, not glue