From Zwilling, this decanter features:    The Decanter has a unique integrated spiral system which aerates the wine while pouring. The nuances of flavor are optimized as the wine is poured into the glass. Also includes a stopper feature for convenient storage. The Decanter has a unique integrated spiral system which aerates the wine while pouring.   The nuances of flavor are optimized as the wine is poured into the glass. Also includes a stopper feature for convenient storage 18/10 stainless steel The integrated spiral system enables the wine to breathe perfectly while being poured Encourages the nuances of the flavours to develop The appropriate stopper seals the bottle perfectly Hand wash Approx. 5.12"L x 3.15"W x 1.65"H Imported.