Zipper closure. Material:100% Cotton;Comfortable ,soft and cool，Search Pompomkid Romper can buy matching romper for Baby girl. O-Neck sleevless fashion beautiful flower printing makes your princess charming. Good soft cotton fabric is air permeable and comfortable and cool for summer Suitable for daily wear and special occasion like wedding party, holiday party, ceremony, baptism, birthday party, pageant etc. Please find the size information as below description for your reference.we recommend checking detailed measurement before purchase.