Bambini Short Sleeve One Piece made from 100% cotton rib knit fabric, this 2 pack of short sleeve onezies is not only comfortable and cozy but will help keep your little one comfortably mobile. 100% Cotton Interlock Color: White Sizes: NB, S, M, L 2 Per Pack • 100% Cotton Interlock 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 • Available Sizes: NB, S, M, L