Music Notes EKG T-Shirt Music Life for Band Geek / Orch Dork 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 Super cool music t-shirt design has an EKG with music notes and treble clef. Custom made for musicians, music teachers, orchestra teachers, music lovers, band nerds, band geeks, and orch dorks. Lightweight, Classic fit, Double-needle sleeve and bottom hem