AERO Carafe exposes wine to air as it is poured from a bottle through the modular sections. This helps soften tannins and rounds out the texture and refreshes the wine. Each modular section is 6 ounces, for an even pour. The carafe has a drip proof edge and has a comfortable grip. AERO carafe is made of crystalline lead free glass, that is hand made and mouth blown. So each one is unique.