Easier for parentsSecure the insert into the carrier first, load baby, and you're on your way!Keep insert conveniently attached to carrier after useCooler for babyAll the neck and head support baby needs without the extra bulkFan shaped design ensures airflow, keeping baby cool and content- For use with Ergobaby 3 Position Original / Performance carriers and 4 Position 360 carriers. - Not for use with Ergobaby Adapt. - For use with babies from 7-12 lbs (3.2-5 Kg) - Adjustable neck cushion for extra head and neck support - Padded back panel to support baby?s natural curved spine - Optional removable pillow to adjust for optimal height and ergonomic seated position 100% Cotton Machine washable