The Thule Chariot Infant Sling is a padded sling that has a hammock-like design with a comfortable reclined seating position. It provides maximum stability and lateral support for your baby. This sling is recommended for use for infants from one to ten months old weighing less than 22 pounds and shorter than 29.5". This kit includes all the required mounting hardware and is compatible with the Thule Chariot Sport, Cross, Cab and Chariot Lite. Use only when strolling is strongly recommended.