【3-piece set: Petit Bateau Short-Sleeve Bodysuits, 3M/60cm】 These are beautiful items, purchased from the official online store and worn once or twice each. They are front-opening with button closures, making them perfect for newborns before they can hold their heads up. Although they are 3M size, Petit Bateau tends to run small, so they are suitable for babies from birth to around 3 months old. Please understand that these are used items before purchasing.