Aágreat gift ideaáfor the mathalete or math professor in your life. Heck, it you just think the notion of pi (3.1415926535897932384626433) is cool then these make a great accessory for you. Make sure you wear your pair on March 14, which is national Pi Day. This ship in a gift box and are covered by Cuff-Daddy's product warranty. Thanks for shopping.