Set of 6 Heat Treated Pint / 16 oz Mixing Glass Libbey 1639HT Versatile glass, for mixing complex cocktails to serving classic beverages Rim-tempered for extra strength and durability; Resistant to thermal and mechanical shock Overall Dimensions: Height: 6 3/8" Top Diameter: 3 3/4" Bottom Diameter: 2 1/2" Includes Signature Amber Fleur de lis Party Picks Each glass features Libbey's exclusive DuraTuff treatment, a special thermal after-process that produces durable glassware with prolonged service life. Additionally this glass has been Heat Treated through a special heating and rapid cooling process that gives the glass increased resistance to thermal and mechanical shock.