Witty Wine Glass with Perfect Pour lines. Portion control with a Twist! These glasses are: * Designed, manufactured and obsessed over in the USA * High Quality 16 oz. glass, with perfect pour line at 6oz. and 10oz. * All inks are durable and dishwater safe—BUT for best results, a light hand-washing helps protect stems and preserve the color print * Colorful & Fun graphic lines are matte finished in Funky Purple & White The colorful 6oz. line on the glass is our Perfect Pour. The 10oz. line reminds you not to over- indulge.