Mens Grandpa Shirt, Gift for Grandpa, Funny Grandfather 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 Do you joke that that your grandfather is a little prehistoric? If so this "Grandpasaurus Rex" grandfather shirt is perfect! This funny grandfather shirt comes in 5 colors and is perfect if you are looking for an everyday gift for grandpa, birthday gift for grandpa, or Christmas gift for grandpa! Lightweight, Classic fit, Double-needle sleeve and bottom hem