10 Best Convertible Booster Seat 2024 in the US

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4-in-1 Seat Design: Versatile car seat that evolves from rear-facing harness to forward-facing harness, highback booster, and backless booster to accommodate 10 years of a child's growth.

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Simply Safe Adjust Harness: Easy adjustment of the harness and headrest height in one motion, ensuring a proper fit for your child as they grow.

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10-position Headrest: One-hand adjustable headrest that can be set to 10 different positions for a comfortable fit throughout your child's development.

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6-position Recline: Multiple recline positions to provide a comfortable journey for your child at various stages of growth.

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Latch Equipped: Facilitates easy and secure car seat installation using the vehicle's latch system.

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One-Handed Rotation: Easily rotate the seat for rear-facing access with a single hand and a reassuring 'click' to indicate secure positioning.

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3 Modes of Use: Versatile design adjusts to accommodate children from 4 to 100 lb across rear-facing, forward-facing, and highback booster modes.

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SnugLock Technology: Achieve a secure installation in under a minute using either vehicle seat belt or LATCH system.

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Graco ProtectPlus Engineered: Enhanced safety through rigorous crash testing for protection in various types of collisions.

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No-Rethread Harness: Headrest and harness adjust together without rethreading, simplifying the fitting process as your child grows.

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4-in-1 Seat Design: Transitions from rear-facing harness (4-40 lbs), to forward-facing harness (22-65 lbs), to highback booster (40-100 lbs), to backless booster (40-120 lbs).

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10 Years of Use: Designed to grow with your child from infancy to toddlerhood and beyond.

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ProtectPlus Engineered: Provides comprehensive protection in frontal, side, rear, and rollover crashes.

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Simply Safe Adjust Harness: 10-position adjustable harness and headrest that move together with a single motion.

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6-Position Recline: Ensures your child's comfort with multiple recline positions.

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All-in-One Convertibility: Accommodates your child's growth stages from rear-facing to forward-facing and finally to a belt-positioning booster.

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Growth Support: Supports children from 4 to 100 lbs. and 19" to 52" in height, adapting to your growing child's needs.

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PureCosi Fabrics: Features ultra-soft, durable fabrics without wool or added fire retardant treatment for child's comfort and planet's benefit.

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Machine Washable: Ease of cleaning with machine washable and dryable fabrics.

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Fuss-Free Harness: Includes easy in-and-out harness holders to keep straps out of the way, simplifying getting your child in and out of the seat.

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3-in-1 Usage: Grows with your child from infant to preschooler.

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Ultimate Safety: Graco ProtectPlus Engineered for crash protection.

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Adjustable Comfort: No-Rethread Harness System and 10-position headrest.

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Convenience: 6-position recline and easy-to-read level indicator.

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Built to Last: Steel-reinforced frame for long-lasting use.

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3-in-1 Harness Booster: Versatile design transitions from harness booster to highback booster to backless booster, suitable for children from 22 to 100 pounds.

2.

Graco ProtectPlus Engineered: Ensures safety through rigorous crash testing, providing protection in frontal, side, rear, and rollover crashes.

3.

No-Rethread Harness System: Headrest and harness adjust together without rethreading, simplifying height adjustments as your child grows.

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Lightweight & Portable: Easy to move and transfer between vehicles, making it convenient for busy families on the go.

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One-Hand Headrest Adjustment: Features an 8-position adjustable headrest that can be easily altered with one hand to accommodate your growing child.

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360° One-Hand Rotation: Allows easy loading/unloading in any mode.

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Quick-Secure Harness System: Includes magnetic chest clip and flex-forward buckle.

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LeverLock Self-Tensioning: Ensures secure, one-time installation with minimal effort.

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Built-in Ventilation: Provides airflow for a comfortable ride.

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Flame Retardant-Free: GREENGUARD Gold certified for low chemical emissions.

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2-in-1 Convertibility: Easily transitions from rear-facing to forward-facing to accommodate growing children up to 50 lbs.

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ClickTight Installation: Ensures a secure and hassle-free installation process with clearly labeled, easy-to-access seat belt paths.

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SpaceSaver Design: Slim 17-inch design that may fit 3-across in some vehicles, optimizing space without sacrificing safety.

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Adjustable Fit: Features 14-position harness and headrest that adjust together for a perfect fit as your child grows.

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Britax Safety: Built with a steel frame, crumple zone, and patented V-shaped tether to absorb crash energy and reduce forward movement during a collision.