Peter Rabbit Romper Covertible starts as a gown when baby is really tiny and then resnaps to become a romper as baby grows. 100% cotton knit romper is prewashed, preshrunk and a nice 7.2 oz. weight which is a great quality. Peter Rabbit is embroidered on the front in soft hues. Romper convertible is sized as 0-6 months. Onesies also available with smaller Peter Rabbit.