Personalized Trombonist Worlds Best Newborn Layette. Fun trombone instrument silhouette with World's Best Trombonist music quote comes on a Newborn Layette - White gift for the trombone player in band or marching band. Add a personalized name for a custom gift. 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