"Don't Worry Be Happy" Ladies 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 Share your contagious enthusiasm and happiness by wearing this joyful T-shirt! Makes a great gift for optimists, or anybody who is continually telling others to cheer up! Lightweight, Classic fit, Double-needle sleeve and bottom hem