Square Root of 441 Years Old Shirt | 21 Yrs Old B-day Tee-CL

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 four hundred forty one years old | Tshirt for 21st birthday (twenty one) | Funny and Cute b-day gift for son, daughter, niece, nephew, brother, or sister | Math nerds gift idea, Men”s and Women”s shirts in small to xl to plus sizes | Click our brand for more shirt colors, Lightweight, Classic fit, Double-needle sleeve and bottom hem