Do you want only one car seat from birth to booster? Say hello to the All4Stages™ Slim 4-in-1 Convertible Car Seat! As a parent, life gets busy — Do you want only one car seat from birth to booster? Say hello to the All4Stages™ Slim 4-in-1 Convertible Car Seat! As a parent, life gets busy — the All4Stages car seat allows you to seamlessly transfer between family cars or rentals for an easy, on-the-go solution. The streamlined 16.9 in. footprint saves space for other passengers or allows you to fit three car seats across in your backseat. All4Stages Slim can be used for up to 10 years through four different modes: Rear-Facing (4 - 40 lb), Forward-Facing (30 - 65 lb), High-Back Booster (40 - 100 lb), and No-Back Booster (40 - 120 lb). Achieve a secure installation with up to 50% less effort with SecureTight™. The 12-position headrest and no-rethread harness both adjust with one hand for convenience. There are four rear-facing recline options and two forward-facing recline options for optimal positioning and improved vehicle fit. Two removable, dishwasher-safe cupholders provide easy, portable snacking. The All4Stages Slim Car Seat achieves flexibility for parents with a space-saving and easy-to-install design! The All4Stages Slim 4-in-1 Convertible Car Seat meets or exceeds all applicable Federal Safety Standards as well as federal side impact standards effective in June of 2025 for children under 40 pounds. In addition to federally required testing, it is structural integrity tested, rollover tested and temperature tested If you need help installing your car seat, our ParentLink® Consumer Care Team offers help online in real time. Get live video support with a certified car seat safety technician to assist with proper vehicle installation, so you can drive with confidence. Families have trusted Evenflo for more than 100 years for smart, innovative gear designed to make life easier, safer and more comfortable at home and on the go. Let us help you save time and find peace of mind, so you can focus on what matters most: your child.