Order by waist size: Newborn=15", 3 Months=16 1/2", 6 Months=17 1/2", 9 Months=18", 12 Months=18 1/2", 18 Months=19 1/4", 24 Months=20". * 3-piece set includes knit christening cardigan, knit pants and beanie hat. * Fabric: Soft cotton sweater knit. Handwashable. * Long sleeve, long leg. Zipper back and snap crotch closure. Imported.