Womens Storecastle: I Can't Keep Calm First Time Grandma 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 Proud first time or rookie nana or grandma gift tshirt. If you are looking for a novelty grandma gift shirt or funny nana shirt for Birthday,Christmas or Mother's Day then this grandmother tshirt for women could be a good fit. Lightweight, Classic fit, Double-needle sleeve and bottom hem