polyester Imported Polyester lining Button closure Machine Wash 2 Sizes fit for 0-8M Babies or 6-3T Toddlers: Babygoal reusable swim diapers have small size and large size, which are suitable for babies 0-8M and 6M-3T. They have adjustable snaps and grows with your little one. If your baby is less than 8 months and thin, we suggest you choose small size. Premiun Quality & Adorable Designs: Babygoal swim diapers are of high quality and adorable designs for baby boys and girls. Your baby will be live in fashion with babygoal swim diapers.