Gerber white onesies brand one piece underwear are an essential in baby's wardrobe, great to use as a layering piece under your favorite outfits to keep baby's tummy extra warm, made of 100-percent cotton for comfort and softness, have a lap shoulder neckline for ease of dressing, hems are double stitched to keep smooth after excessive washings and a snap closure conveniently positioned for ease of changing baby's diaper, 4 pack white available in sizes 12, 18 and 24 months, machine wash and dry, great for gift giving