Getting the right fit is as easy as 1-2-3 with the Serenity Infant to Toddler Carrier. This unique seat features three settings, narrow, medium, and wide – supporting your child as a newborn, infant and toddler. This customizable fit ensures a comfortable ride through all their early stages. Handy storage pockets provide convenient places to stash small essentials. Plus, the Serenity comes with a free tote for easy travel and storage. Offered in our Airflow style, this carrier is constructed with breathable, mesh fabrics to allow for a cooling airflow around you and baby. Ideal for warm climates or individuals that prefer a cooler carrier. The Serenity Infant to Toddler Carrier can be used with children from 7 – 45lbs.