Dress your little one in these time-honored, classic white Onesie long sleeve bodysuits. The Grow With Me Bundle is designed to follow along with your babys growth as it includes three 3-packs sizes: NB, 0-3M, and 3-9M. Made from all organic cotton, the baby soft fabric is OEKO-TEX certified to give you peace of mind that no harmful substances will touch your babys skin. Onesies bodysuits make for easy and quick diaper changes and are a long-time favorite of many families.