Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester, Imported, Machine wash cold with like colors, dry low heat, Perfect pi day vibes costume for fans & those who study algebra geometry calculus trigonometry & more! A cool mathematic superhero & nerd geek will surely love! Add collection to pi symbol puns pi day pencils items dress birthday party favors & supplies, Lightweight, Classic fit, Double-needle sleeve and bottom hem, Come to the dork, nerd, math, geek side, we have Pi; Show your flair and celebrate in style this Pi Day March 14 and wear in 2020, 2021. A fun nerdy geeky math pi day gift for pi lovers students teachers club mathematicians persons of any age!
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