Bubblebum’s Do’s and Don’ts for Fitting a Backless Booster

Child car seat safety law in the USA varies from state to state. Generally, kids need to use a booster until they are at least 4 feet 9 inches tall and weigh between 80 and 100 pounds. For most children this will be between 8 to 12 years.

According to Safe Kids Worldwide: Children seated in a booster in the back seat of the car are 45% less likely to be injured in a crash than children using a seat belt alone.

Here are BubbleBum’s Do’s and Don’ts for fitting a car booster seat. If you are in any doubt that your child’s car seat isn’t fitted correctly have it checked by a certified passenger safety technician.


  1. A lack of boost causes the child to push forward in the vehicle seat to enable a comfortable bend of the knee. This introduces slack, loosening the vehicle seat belt, which places the vehicle seat belt in a dangerous place in the event of a crash, increasing the risk of abdominal injury.
  2. Lap belt intrusion in abdomen – When the lap belt is positioned incorrectly on the soft tissue of the abdomen, it can cause serious injury in a crash. The lap belt should be worn low down on the top of the thighs and bony pelvis area. BubbleBum has positioning clips to ensure optimum positioning.
  3. Child slides forward to bend legs – Children usually find it difficult to sit back on a vehicle seat if their legs are not able to bend. It is very uncomfortable for the child, as a result the child is more likely to push their bottom forward to bend their knees at the edge of the vehicle seat.
  4. Slouching caused by loose belt fit – The child’s back should be against the vehicle seat back, not slouched. If the child slouches or pushes forward in the vehicle seat, the lap belt rides up on the pelvis and into the soft abdominal tissue increasing the risk of serious injury in the event of a crash.


  1. Shoulder belt positioned correctly – The shoulder belt should be across the chest, never across the face or neck, behind the child, or under the arm. To encourage the child to wear the seat belt properly use the shoulder belt positioning clip provided with the BubbleBum. This will make it more comfortable as the child often only moves the shoulder belt if it is uncomfortable on the side of the neck.
  2. Positioning clips hold lap belt low on hips and thighs – Bubblebum has removed the arm rests that a traditional rigid booster seat uses to position the lap belt and instead has two red positioning clips, one on either side of the seat. The clips hold the vehicle seat belt low down on the tops of the thighs/bony pelvis area, the strongest parts of the child’s body, and away from the soft abdominal tissue in the event of a crash.
  3. Adds boost, prevents slouching/legs folding – BubbleBum has been crash tested in the deflated state and has gained the approval in this state. However, we know that a child does not perform like a crash test dummy and that they are predisposed to slide forward in the vehicle unless they can “fold” their legs comfortably over the vehicle seat. In order to prevent the slouching which creates a potentially dangerous belt fit, the “boost” encourages good posture and the slight gradient on the BubbleBum gives a comfortable seating position for the child’s legs. As BubbleBum is also soft it prevents the common “dead legs caused by rigid booster seats on a long journey.

BubbleBum is crash test approved and meets and exceeds the US FMVSS 213 safety regulations. These entails both crash testing and materials testing.

BubbleBum, best seller and parents’ favorite, winner of more than 20 design and innovation awards including the IIHS Best Bet Booster Award, Winner of Juvenile Products Manufacturer Association Award and the Parent Tested Parent Approved Award. The portable, lightweight, inflatable car booster seat for children aged between 4-11 easily deflates and packs away, making it perfect for vacations, rental cars, taxis, coach journeys, school trips or carpooling.

The BubbleBum Travel Car Booster Seat can be purchased on AmazonEbay and www.bubblebum.co/us

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