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Booster Car Seats

ANB Baby carries booster car seats including the Nuna LUMN harness booster, the UPPAbaby ALTA highback booster, and backless booster options for children who have outgrown their convertible car seat. Booster car seats position the vehicle seatbelt correctly across a growing child's body to maintain the protection level of a five-point harness system as long as possible. Free shipping over $45 and a 30-day return policy on every order.

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When a Child is Ready for a Booster Car Seat

The transition to a booster seat should be based on your child exceeding the forward-facing weight or height limits of their current convertible car seat, not their age. Most pediatric safety organizations recommend keeping children in a harnessed car seat for as long as the seat's limits allow before transitioning to a booster, because a five-point harness distributes crash forces more effectively than a seatbelt alone. When a child does transition to a booster, a highback booster with LATCH connectors provides better positioning and side impact protection than a backless booster, particularly for children who are still growing. Backless boosters are appropriate for older children in vehicles with adequate head restraints. ANB Baby carries both highback and backless options and can help you determine the right transition timing for your child's size.

Frequently Asked Questions

The transition to a booster seat should happen when your child exceeds the forward-facing weight or height limits of their convertible car seat, which varies by seat. Most premium convertible seats allow forward-facing use to 65 lbs or more. Many pediatric safety experts recommend keeping children in a harnessed convertible seat until they reach the seat's maximum limits rather than transitioning to a booster based on age alone.
A highback booster provides a headrest and side wings that position the vehicle seatbelt correctly and offer side impact protection. It is recommended for children still growing and for vehicles without adequate head restraints in the rear seats. A backless booster positions the lap and shoulder belt correctly without a back or head support. Backless boosters are appropriate for older children in vehicles with tall rear seat headrests. The Nuna LUMN and UPPAbaby ALTA are highback boosters that offer LATCH connectors to prevent the seat from moving when unoccupied.
The Nuna LUMN is a harness-to-highback booster car seat designed for growing children. It transitions from a harnessed seat to a belt-positioning booster as the child grows. It uses Nuna's FR-free fabric construction and provides side impact protection through the headrest wings. It is one of the cleaner, more minimalist booster designs we carry and consistent with the design language of the broader Nuna lineup.
Yes. All orders over $45 ship free at ANB Baby, which covers every booster car seat in our lineup. Every purchase is backed by the full manufacturer warranty through our authorized retailer status and covered by our 30-day return policy.

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