Personalized Flute Musician Im Treble Toddler T-Shirt. Flute player marching band Toddler T-Shirt - Pink apparel has hilarious yes I'm treble message for the flutist with a bit of attitude. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.