Opening is 3 1/4" & 3 1/2". The item "Vintage Air Bubble Wine & Water Goblets Green Iridescent Stem Set of 12 (6 & 6)" is in sale since Thursday, November 30, 2017. This item is in the category "Pottery & Glass\Glass\Glassware\Elegant\Other Elegant Glassware". The seller is "theemporium21" and is located in Tampa, Florida. This item can be shipped to United States.