Vinturi Essential Wine Aerators, Set of 4 Set of 4 innovative wine aerators for use with red wine Vinturi produces a better bouquet, enhanced flavors and smoother finish Simply hold over a glass and pour wine through  Vinturi draws in and mixes the proper amount of air for the right amount of time Aerators made of acrylic and each includes a no-drip stand; dishwasher safe Includes machine washable travel pouches