That's Enough Social Interaction -- Funny 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 Funny quote / saying tee shirt for introverts and others. Sizes for Men - Women - Kids - Youth . Makes a Great Gift! Lightweight, Classic fit, Double-needle sleeve and bottom hem