Luigi Bormioli Aero 13.5 oz Stemless Wine Multipurpose Glasses (Set Of 6) : Ultra Clear Glass, Laser Cut Rim, Lead-Free, Elegant Drinking Glassware, Dishwasher Safe, Fine Quality;

The Aero Stemless was designed with a swirling feature called the helical incision that is made to the inside of the bowl.  This feature facilitates a flowing stream of bubbles resulting in an enjoyable optical effect that enhances the content.