I'm Going To Be A Big Brother Pregnancy Announcement 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 Perfect pregnancy announcement shirt for the Big Brother To Be! Cute and fun way of letting everyone know your little guy is being promoted to Big Brother! Great way to let Grandma, Grandpa, Aunts, Uncles, Cousins, Friends know about the wonderful surprise. Lightweight, Classic fit, Double-needle sleeve and bottom hem