I Love Heart Secretly Loathe Colorblind Color Blind 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 Ishihara Test Red Green Hate the ColorBlind Tee Shirt Red Green Love Heart Dot Eye Test OD Optometry Optometrist T-Shirt. Perfect Gag Gift for any Color Blind Person in your Life! Lightweight, Classic fit, Double-needle sleeve and bottom hem