Music Never Sleeps T-shirt for all Music Lovers 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 If you are passionate about Music, then this tshirt is a great gift for any music lover. A great gift shirt for Music Teacher, casual Music listener Lightweight, Classic fit, Double-needle sleeve and bottom hem