The Champagne Flute Glasses used for catering, food service, weddings, buffets, birthday, parties, bars, family reunions and any other events. It is also suitable for Christmas,Thanksgiving, Valentine’s Day, Easter, New Year, Hanukkah and other special festival.Insulated double walled design, keep your champagne chilled longer than the single wall glass. In addition, idea of double insulation so you can hold it but body heat doesn’t warm up the champagne.Our glasses is made of borosilicate glass which is lighter and more durable than normal glass.The bottom of the cup has a small round hole that allows the glass to breathe in progress, but the water would not enter into, effectively prevent the glass from bursting during use.