Bambini Sleeve One Pieces made from 100% cotton rib knit fabric, these soft and cozy white short sleeve onezies are an absolute necessity for keeping mommy's precious little one mobile and comfortable. • 100% Cotton Rib Knit Material for Comfort and Breathability • Expandable Shoulder Neckline to Help Pull Garment Over Baby's Head Much More Easily • Bottom Snap Closure Is Conveniently Positioned in the Front for Fast Changing • Ribbed Leg Opening Makes for a Perfect Fit • Machine Wash/tumble Dry bull; Available Sizes: NB, S, M, L