One Piece romper with snaps for easy diaper changes Bellybutton is a German clothing lifestyle brand founded by mothers and for families. Clothes are trendy, comfortable and soft, high quality and organic / certified Europe regulations (and expensive!) can only be ordered from boutiques and difficult to obtain in US. More info at bellybutton.de or google this amazing brand. Runs small EU/US Sizes 56 - Newborn 62 - 3 Months 68 - 6 Months 74 - 9 Months 80 - 12 Months 86 - 18 Months