Square Root of 225: 15th Birthday 15 Years Old T-Shirt-TH

Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 65% Cotton, 35% Polyester, Imported, Machine wash cold with like colors, dry low heat, Square Root of 225 15 yrs 15yrs yr best birthday b-day bday geek nerd geeky nerdy math mathematic algebra science present pun born in 2002, quote textual saying cool gift ideas joke funny humor sarcastic, Lightweight, Classic fit, Double-needle sleeve and bottom hem