Our newest rear facing infant car seat for babies 4 to 35 lbs. and up to 32? tall, the Primo Viaggio 4-35 takes the Peg Perego experience in child restraint systems to a new and improved level of safety and design. Equipped with an all-new modern look and an innovative base with the ?Right Tight System,? the Primo Viaggio 4-35 is the perfect infant car seat for keeping baby safe and comfortable. This kit includes an Extra Base and Baby on Board Sign.