Personalized My Mom is the Worlds Best Teacher Infant Romper. Teacher gift Infant Romper - Light Blue has my Mom is the Worlds Best Teacher slogan for her little one to wear. Meet your new favorite outfit! Keep dressing simple with this one piece, lap shoulder t-romper. Super soft and perfect for baby's sensitive skin. 5.5 oz. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40; Heather is 90/10 combed ringspun cotton/polyester)