Nothing says baby like our Classic collection made of 100% super soft cotton interlock offered in grey and white yarn dyed stripe or heathered solid grey. This newborn collection offers the perfect styles for bringing baby home from the hospital or just showing off your new bundle of joy. These pieces are so beautiful, they make perfect gifts and ideal gift registry items. This soft yarn-dyed striped sleeper features blue non-slip feet and a full length side zipper from ankle to chin that makes changing baby quick and easy. No need to fuss with snaps in the middle of the night, the handy zipper makes changing baby a breeze. Age:Preemie, Weight: up to 5lbs, Height: up to 17 inches. Age: Newborn, Weight: 5-8lbs, Height: 17-21.5 Inches. Age: 3 Months, Weight: 8-12lbs, Height: 21.5-24 Inches. Age 6 Months, Weight:12-16lbs, Height: 24-26.5 Inches. Age: 9 Months, Weight: 16-20lbs, Height: 26.5-28 Inches.