3S Wine Aerator, Diffuser, Pourer, Decanter - Black - With Gift Carrying Pouch Measures 6 inches high by 2 inches wide; safe to clean in the dishwasher. Easily and conveniently enhances the flavor, bouquet, and finish of any wine Speeds up breathing process by instantly aerating in the time it takes to pour a glass of wine Hold aerator over glass and pour wine through for instant aeration; mixes proper amount of air in right amount of time. Note: There are two slight fold lines that extend upward from each air hole. These are normal. During manufacturing, material folds around rods and wraps back, and this causes the fold lines.