PETIT BATEAU Babies' long-sleeved floral cotton bodysuits - 3-pack SIZES 3-36 MONTHS rib knit, Petit Bateau's iconic fabric. As your baby grows, bodysuits with envelope shoulders take over from wrapover bodysuits. The wide opening makes them easy to pop over your baby's head without squeezing it! So practical with the envelope shoulders and the poppers between the legs.