Best Big Sister Ever 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 This cute tshirt makes a great gift for your Big Sister, be it a birthday gift, mother's day gift, or when you just wanted to show her your appreciation and love. Makes an excellent thanksgiving or christmas gift for your Big Sister! Lightweight, Classic fit, Double-needle sleeve and bottom hem