Personalized Loyal and True Dog and Mouse Infant Romper. Dog wanted a friend who was loyal and true, then along came Mouse, and Dog just knew. Loyal and True Dog and Mouse Infant Romper - Natural, because sometimes the things we want most have been in front of us the whole time. 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)