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The Daily Insight

Are car booster seats still legal?

Author

Sarah Duran

Published Mar 11, 2026

When can booster seats still be used? From 1 March 2017 backless booster seats can now only be used with children taller than 125cm and weighing more than 22kg. However, backless booster seats made and bought before this date are still legal and approved for use by children weighing between 15 and 36kg.

What are the requirements for car booster seats?

All children whose weight or height exceeds the forward-facing limit for their car safety seat should use a belt-positioning booster seat until the vehicle seat belt fits properly, typically when they have reached 4 feet 9 inches in height and are 8 to 12 years of age.

What kind of car seat should a 40 lb child be in?

What are the height and weight requirements for standard kid booster seats? Any child at least 40 pounds and 35 inches tall should be in a booster seat, preferably one with a backrest and adjustable harness. Most children are at least four years old when they first use a kid booster seat.

Can a 5 year old use a booster seat?

Yes you can. Previously, booster cushions were sold as being suitable for children over 15kg (2 stone 5 pounds), which can happen between 3 to 4 years old. However, the new regulation is designed to increase safety: your child will be safer in a high-backed booster seat compared with a backless booster.

Can you bring a carseat on the plane?

Every U.S. airline allows you to check a car seat free of charge when traveling with a child. You can check your car seat at the airport baggage counter or wait and check it at your gate.

Can my 4 year old sit in a booster?

Current California Law: ​Children under the age of 8 must be secured in a car seat or booster seat in the back seat. Children who are 8 years of age OR have reached 4’9” in height may be secured by a booster seat, but at a minimum must be secured by a safety belt.

Should my 7 year old be in a 5-point harness?

NHTSA recommends children remain in a forward-facing car seat with a 5-point harness until the child reaches the top height or weight limit allowed by the seat. At which time, the child can move into a belt positioning device.

What type of car seat should a 5 year old be in?

Ideally a 5 year old should be in a forward facing 5-point harness car seat. That can either be a convertible car seat (rear facing/forward facing), a combination car seat (forward facing/booster seat) or an all-in-one car seat (rear facing/forward facing/booster seat).

When can a child sit in a backless booster?

Backless booster seat age requirements: From the time kids surpass the weight or height limits allowed by their car seat to about 8 to 12 years of age (depending on the child’s size).

What kind of car seat does a 5 year old need?

When your child is at least age 5 and outgrows the forward-facing car seat with harness, use a booster seat in the back seat. Use a booster seat until the belt fits correctly. A booster seat is often needed until 4 ft 9 in (145 cm) tall. Your child may be 12 years old before ready for an adult safety belt.

Does a diaper bag count as a carry-on?

Most airlines will not exempt your diaper bag from your carry-on limit. If you are planning to fly with an infant, the most common rule you will find for your flight is each passenger can have one carry on and one personal item. Personal items are described as a purse, briefcase, or laptop bag.

What type of car seat should a 4 year old be in?

When your child has outgrown the requirements for a forward-facing car seat with a harness, he should transition to a belt-positioning booster with lap/shoulder belt in the car. This type of car seat fits kids up to 80-100 pounds, and in general, most kids need boosters from about age 3 or 4 to at least age 8.

What kind of car seat should a 5 year old be in?

Should an 8 year old be in a 5-point harness?

Should my 5 year old be in a car seat or booster?

Booster Seat Readiness The American Academy of Pediatrics recommends that kids use a car seat until they reach the maximum height or weight for that five-point harness. This is usually not until at least age five.