Kids Recently Upgraded To Version 9.0 Funny 9th Birthday T-Shirt 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 Computer nerd humor 9th birthday gift idea Funny gift for any coder or gamer turning 9 years old Lightweight, Classic fit, Double-needle sleeve and bottom hem