Womens Mama Dinosaur T-Rex Funny Mother's Day Gift 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 She's a vicious prehistoric animal with sharp teeth and a quick attitude Mama-saurus rex dinosaur is a funny t-shirt for moms who love dinosaurs Lightweight, Classic fit, Double-needle sleeve and bottom hem