Mouth blown Bubbles Glasses are not your average stemless! Each glass is hand crafted with sleek curves making it comfortable to hold and a better sparkling wine tasting experience. Curves provide comfortable finger placement. Designed for Champagne and sparkling wine. Narrow rim and slim bowl help enhance flavour and balance of champagne, prosecco, mimosas, sparkling wine, and other fizzy drinks. Opener: Just a slight turn & POP! out comes the cork & up goes the telescopic top trapping the cork. Safe for anyone to use. Includes: 2 Conundrum Champagne / Sparkling Wine Glasses with opener Dimensions: 2.4 x 2.4 x 6.3 in (6.2 x 6.2 x 16 cm) Capacity: 300 milliliter Material: Glass & Plastic (BPA-free) Washing: Glasses: Dishwasher safe (top rack) Opener: Hand wash.