Mama Birdie Can't Keep Calm Going To Be Great Grandma 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 first time Great Grandma shirt. Perfect new Great Grandma gift to tell her she is soon to be a Great Grandma! Lightweight, Classic fit, Double-needle sleeve and bottom hem