Keep Calm I'm The Big Sister Sibling Gift Idea 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 Cute tshirt for the big sis or bro and little sisters and brothers. Check out the matching option in our store, we have options both for the older and new child of the family! Make your kids feel special with this perfect gift. Hand designed with pride. Make your loved one feel special with this exclusive, unique T-Shirt. Lightweight, Classic fit, Double-needle sleeve and bottom hem