The ERGObaby Organic Heart to Heart Infant Insert is a specially padded and shaped cushion that can be quickly and easily placed in the carrier and readajusted as needed. It is 100% Organic Cotton Fabric 100% Organic Cotton filling. This baby carrier accessory extends the life of the Ergo Baby carrier by allowing you to carry your newborn or toddler in the same carrrier. The design easily enables parents to ensure that their newborn is positioned correctly on the pillow, keeping pressure off the developing sacrum, and supports the development of the spine and hips. It snaps closed around the infant, holding the baby in a cozy, protected environment close to the heart, as well as in an ergonomically correct natural sitting position.