Happiness Is A New Coloring Book 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 Coloring For Healing Official T-shirt Perfect Gift for anyone that loves Adult Coloring and getting new Coloring Books. Lightweight, Classic fit, Double-needle sleeve and bottom hem