Introducing the Pria All-in-One convertible car seat, baby's first and only car seat. Surround your child in comfort and safety from the first ride home.Whats in a Name, You Ask? Just like the care you take to name your new little bundle of joy; we take great care in choosing names that best explain what you get with our products. And if our car seats have everything you need all in one, why not come out and say it? So, here it goes our convertible car seats will now carry the name All-in-One. From birth to ten years, you get everything you need in a single car seat to keep your child cozy and safe. All in one is all you need. All-in-One Seating SystemWith the Pria All-in-One, you can take comfort in knowing that youll have a safe, comfortable car seat for your child, from birth to 10 years old. Children can ride rear-facing, from 4-40 pounds; forward-facing to 65 pounds; and up to 100 pounds in booster mode. It may be the only car seat youll ever need. Converting to each new stage is simple and intuitive, so you can quickly make car seat adjustments. It allows for a wide range of adaptability with its 3-position recline, 5 headrest heights, along with a QuickFit shoulder harness.Superior Safety FeaturesDrive with confidence knowing that the Pria All-in-One is backed by over 30 years of European engineering and exceeds all federal standards, including FMVSS 213. GCell side impact protection is built into the headrest to cushion the impact, and protect your child around the head where its needed most. The QuickFit shoulder harness automatically raises the harness and headrest height to fit your growing child.