EraVino In-bottle Volcano Wine Aerator - Premium Quality Decanter UNIQUE DESIGN speeds up breathing process by instantly aerating in the SAME time as it takes to pour a glass of wine EASY PROCESS Hold aerator over glass and pour wine through for instant aeration; mixes proper amount of air in right amount of time. Easy and convenient way to enhance the flavor, bouquet, and finish of any wine. QUALITY MATERIAL Made of acrylic, the aerator comes with a no-drip stand PLEASE 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.