Keep calm it's my birthday 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 Keep calm birthday available on all size 2xl 3xl men women kids teen perfect as birthday gift Kep calm 16 funny tshirt xxl Lightweight, Classic fit, Double-needle sleeve and bottom hem