Books Make Me Happy - You, Not So Much Shirt Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 58% Cotton, 42% Polyester Imported Machine wash cold with like colors, dry low heat If you believe bookmarks are for quitters then this is the best tee for you. Show your geeky nerdy side with this funny graphic tee. A funny sarcastic shirt for book lovers. This premium t-shirt is made of lightweight fine jersey fabric Fit: Slim (consider ordering a larger size for a looser fit)