01 — Travel and carpools
BubbleBum inflatable booster
BubbleBum
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A 1.2 lb booster that deflates into a bag, which is the difference between a rental car being safe and being a compromise.
The BubbleBum solves the trip where a real booster cannot come: a flight where you are renting a car at the other end, an unexpected carpool, a grandparent's car. It inflates to 4 in tall with a 12 by 12 in seating area, weighs 1.2 lb, covers 40-100 lb and 40-59 in for ages four to eleven, and meets FMVSS 213 like any booster sold in the US. Because it is narrow it is also the honest answer to three across in the back of a sedan. What it is not is a daily driver: there is no back, so no head support and no side structure, and a backless booster asks more of the child in terms of sitting properly. Note that a backless booster is also not permitted for use during taxi, take-off or landing on an aircraft. Use it for the trips, keep a highback at home.
What works
- 1.2 lb and packs into hand luggage
- Narrow enough for a genuine three across
- Meets the same federal booster standard as a full-size booster
What to weigh
- Backless — no head support or side structure
- Not approved for use during taxi, take-off or landing on an aircraft
- Asks more of the child in sitting properly, so it suits older kids
| Spec | Published figure | Read from |
|---|---|---|
| Range | 40-100 lb, 40-59 in, ages 4-11 | BubbleBum product page |
| Inflated height | 4 in | BubbleBum product page |
| Weight | 1.2 lb | BubbleBum product page |
| Standard | Meets FMVSS 213 | BubbleBum product page |
Verified as currently sold and checked against NHTSA's recall record on 2026-09-26; no recall named this model. Recalls apply to specific manufacture-date ranges, so check the date stamp on your own unit. We do not print a star rating for this seat: NHTSA publishes an Ease-of-Use rating and IIHS publishes booster belt-fit ratings, and we would rather send you to the source than reprint a figure we could not read first-hand. Specifications come from the manufacturer or retailer listing.

