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The Bump Editors

The 2019 Best of Baby Award Winner for Top Convertible Car Seat

Superior safety features and built-in smart technology make this a standout in our book.

And the Winner Is: Cybex Eternis S All-in-One Car Seat

Choosing a car seat is no small matter—after all, it’ll be transporting precious cargo. Safety is a top concern, but so is ease of use (including proper installation). This all-in-one car seat checks all the boxes, with its superior safety features and built-in smart technology. But the most impressive part is it's the only car seat you’ll ever have to buy. You can bring your newborn home from the hospital in this and continue using it for the next 10 years. Seriously.

What We Love

  • You can bring baby home from the hospital in this car seat and use it for the next 10 years
  • It features a steel-reinforced frame and side impact protection, plus a 10-position adjustable recline to ensure the best angle and fit in any vehicle
  • The headrest keeps even a sleeping child’s head in the perfect position (no slumping here)
  • Smart technology alerts you if your child unbuckles their chest clip or if you accidentally leave your child in the car, or if the temperature in the backseat is too hot or too cold
  • The Cybex SensorSafe app allows you to access smart features of the car seat plus offers how-to installation videos so you get it right—even in a rental car or taxi
  • All parts are machine-washable

Buy it: $379, Amazon.com

PHOTO: Cybex