Libbey 4-Piece Cobalt Swerve Martini Set Set of 4 martini glasses with stylishly curved stems Machine-made by renowned glassmaker, Libbey Cobalt-blue Swerve stems curve from the base to the bowl Each glass holds 6-3/4 ounces and measures 6-3/8 by 4-3/4 inches Dishwasher-safe; wash by hand for best results