4 doctors weighed in:
What is the height and weight for a child to go from an infant seat into a high back booster seat?
4 doctors weighed in

Dr. James Ferguson
Pediatrics
3 doctors agree
In brief: Depends
Each restraint system has a sticker on the body that details the ht &weight range for the seat.
Kids should rear face until @ least 2y or longer to protect their neck from spinal cord injury. Boosters with improved integrated 5 pt harness are available up to 60-85 lb which remain the best protection in a roll over or t bone crash. You never get to pick your type of crash.

In brief: Depends
Each restraint system has a sticker on the body that details the ht &weight range for the seat.
Kids should rear face until @ least 2y or longer to protect their neck from spinal cord injury. Boosters with improved integrated 5 pt harness are available up to 60-85 lb which remain the best protection in a roll over or t bone crash. You never get to pick your type of crash.
Dr. James Ferguson
Dr. James Ferguson
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