38th Birthday Gift 38 Yr Years Old Funny Square Root 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, Designed to be fitted, consider ordering a larger size for a looser fit. Funny birthday party t-shirt supplies for kids adults teens youth men women ladies boys girls, best birthday tee gifts ideas for him her, Novelty gag gifts for son daughter grandson granddaughter mom dad wife husband brother sister best friend family, bday years old apparel, math geeky yrs old clothing, nerdy joke yr old b-day clothes present, Lightweight, Classic fit, Double-needle sleeve and bottom hem