Bass Clef Musician's Tee: Bass Player, Cellist, Bassoon 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 Big bold original 'bass clef' music symbol for all musicians! Lightweight, Classic fit, Double-needle sleeve and bottom hem