D.LIN Baby Girls Pettiskirt Ruffle Panties Briefs Bloomer Diaper Cover S: (6-12 Months) Waist unstretched = 7 inches (18 cm), Stretched = 10.70 inches (27cm) M:(12-18 Months) Waist unstretched = 7.4 inches (19 cm), Stretched = 10.92 inches (28cm) L: (18-24 Months) Waist unstretched = 7.8 inches (20 cm), Stretched = 11.31 inches (29cm) Perfect cover for all baby bottoms, baby shower gifts Goes great under a dress or flying solo Perfect accessary for under dresses Put it on your daughter with almost every thing she wears For 6-24 months baby, Use them for your newborn daughter's pictures These bloomers are super cute and your daughter gets compliments on them wherever she go