This black t-shirt features a humorous design for those who may struggle with color blindness. Above a series of colorful, dotted circles, the text reads, "IF YOU CAN'T SEE THE NUMBER YOU NEED TO." Beneath each circle, text indicates what you might need, from drinking water and sleeping to showering, eating, and even playing castanets. Made from a comfortable-looking fabric, this tee is perfect for casual wear. Show off your sense of humor with this unique t-shirt, or give it as a gag gift to a friend. A great conversation starter!