ELSKY Wine Aerator Pourer - Aerating Decanting Spout - Premium Liquor Pourer for Red  Wine Lovers and Regular Wine Drinkers, FDA Approved The wine aerator pourer has inflation system that utilizes the bernoulli effect to infuse your wine with the OPTIMAL amount of oxygen. Enjoy true wine flavor. Smooth and sophisticated! Sealing Strong,No leakage: The unique design of wine aerator pourer makes it suitable for all wine bottles. Rubber stopper is tapered to ensure that no leakage. Ergonomic design, easy to use and even easier to clean. Premium Quality & Special Design-- Stylish appearance,enhancing people drinking experience.ELSKY wine decanting made of high quality FDA approved materials,safety,exquisite packaging colorful box and is the perfect gift for wine lovers. Mess-free Decanting:The acrylic pour spout is notched and ergonomically slanted for easy drip-less pouring. And the aerator can be disassembled and run under water for effortless cleaning. Working Principle: When wine is poured in it, it's internal design creates an increase in the wine's velocity and a decrease in its pressure. This pressure difference creates a vacuum that draws in air which is mixed with wine for perfect aeration.