Safety 1st Car Seat Convertible Keeps Her Safe and Sound in the Car The Safety 1st onSide Air Protect Convertible Car Seat Adeline keeps your child safe and comfortable while traveling with Side Impact Technology. This functioning shields your child's head and immediately reduces impact forces through the precise release of air. Convertible style rear-facing car seat has a capacity of 5 to 40 pounds and 19 to 40 inches, while the forward-facing mode fits children 22 to 40 pounds and 34 to 43 inches. A five-point harness with up-front adjustment on this Safety 1st Car Seat Convertible accommodates your child's growing body and comfort level, with four harness heights and three buckle locations. Removable cup holder holds juice boxes or quick snacks for your convenience. This black seat with gray accents also features floral padded backing for comfort and style.