Funny 80th Birthday Gift – Square Root 6400 Years Old Tee-ANZ

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, If your mom, dad, grandpa or grandma really enjoys math, science or engineering, surprise them with this simple maths problem tee. Perfect for someone turning 80, our square root 6400 years old t-shirt is ideal for a friend to celebrate their 80th birthday, These tees often run small, so please consider sizing up for a looser fit. Science, technology, engineering or maths fans will like this shirt. Lightweight, Classic fit, Double-needle sleeve and bottom hem