Mens Mama Birdie Can't Keep Calm Going To Be Grandpa Again TShirt 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 Official Mama Birdie pregnancy announcement t-shirt. Designed in the USA. Surprise someone special with this Going To Be A Grandpa Again shirt. Perfect gift for Grandpa to tell him he is soon to be a Grandpa again. Lightweight, Classic fit, Double-needle sleeve and bottom hem