The Ergobaby Easy Snug Infant Insert allows you to carry your newborn baby both comfortably and ergonomically in soothing, nest-like comfort, for a cozy transition to the world from the womb. Its fan-shaped design securely attaches to Ergobaby’s 3 Position Original and 4 Position 360 Carriers, enabling an easy loading of baby and allowing for more airflow, while providing all the extra thigh, spine, head and neck support your baby needs in his early months. The Infant Insert provides an ergonomic infant positioning with M-shape leg position, C-curved spine, and baby close enough to kiss. This Insert is acknowledged as a hip healthy product by the International Hip Dysplasia Institute. Suitable to with babies from 3.2 - 5.5 kg or babies more than 5,5kg but younger than 4 months or without strong and consistent head and neck control. The Infant Insert Pillow can be used alone for older babies (4-6 months) who still need a little boost to comfortably sit in their carrier.