The Key to happiness is right here folks! 

They say wine is the secret to a long, happy life. This custom wine tumbler helps you enjoy your favorite wines at the perfect temperature.

.: Material: 18/8 food grade stainless steel
.: One size: 12oz (0.35 l)
.: Seamless vacuum-insulated double-wall construction
.: Clear, BPA-free press-on lid with slide closure
.: Keeps liquids cold for 24 hours & hot for 12 hours
.: NB! Hand wash only