Personalized Trombone Emblem Newborn Layette. Trombone in decorative text against a black emblem is a unique gift design for low brass musicians, music teachers and students in concert and marching band. 100% combed ringspun cotton 5.8 ounce 1×1 baby rib sleeper. 3/8" flatlock binding at envelope neck and cuffs. Back sleeve flap to protect hands. Elastic opening at bottom. Infant: 0-3 Months