"Pi Day: Once In A Century - March 14, 2015" Insulated Travel Cup Bright And Cheefully Pi-tastic Tumbler / Mug Holds 16 oz of Hot Or Cold Liquid Celebrate Pi Day 2105 IN STYLE! This Once In A Century Event is Memorialized On This Classy Cup On March 14, 2015 at 9:26:53 (am and pm) Raise Your Cup And Toast PI! Math Teachers, Math Fans, Actuaries, Geometry Lovers, Friends of Algebra And Smart People Everywhere Celebrate This Momentous Occasion BPA Free. Tapered Design Is Easy To Hold, Fits Most Cup Holders, Top Rack Dishwasher and Microwave Safe. Made In The USA. Eat Some Pie And Drink From A Pi Tumbler. Who Could Ask For More?