Material: 100% cotton, skin-friendly, soft, comfortable and breathable. Zipper cover desgin: prevent zipper scratches protect baby's delicate skin. 2 Way Zipper design: The zipper extends from the neckline to the trouser legs, easy to wear and change diapers. Suitable for sleep, play, home, photo, holidays, present, and more. Please CHECK the Size Information in Description Before Placing Order. Unisex Baby 2 Pack Pajamas Cotton Short Sleeve 2 Way Zipper Printing Soild Romper Jumpsuit Sleep and Play