Personalized When The WhatIf Monster Sleeps There are No Worries to Keep Infant Romper. Put your fears to bed with When The WhatIf Monster Sleeps There are No Worries to Keep Infant Romper - Pink, from "Jonathan James and the Whatif Monster" by Michelle Nelson-Schmidt. 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)