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Harmony Dreamtime Elite Highback Booster

The Harmony Dreamtime Elite Highback Booster weighs 7.7 lb, has a booster weight limit of 110 lb, and has an expiration of 6 years, per Harmony. A two-in-one booster with a six-position one-hand headrest, an anti-torque backrest and a V-shaped base.

  • $49.99List price
  • 110 lbBooster to
  • 7.72 lbSeat weight
See it on Harmony's site

When does it expire?

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Dreamtime Elite Highback Booster: key facts

  • The Harmony Dreamtime Elite Highback Booster works as a booster from 40 to 110 lb and 34 to 57 in tall, per Harmony.
  • Outgrown by height: "Child's ears MUST BE BELOW the top of the booster seat"
  • It installs with vehicle lap/shoulder belt (booster).
  • Harmony says it expires 6 years after the date of manufacture.
  • Harmony says it isn't certified for aircraft.

From Harmony's manual and published specs. Always follow the limits on your seat's labels.

How the Dreamtime Elite Highback Booster stacks up

Against the 65 booster seats we track. The shaded band is where the middle half of them fall; the dot is this one.

Booster weight limit110 lb31st highest booster limit of 64

Within the typical range for booster seats (100 lb to 120 lb).

This one
100 lbmiddle 110 lb120 lb
Expiration6 years

Below the typical range for booster seats (8 years to 10 years).

This one
6 yearsmiddle 10 years12 years
Weight7.7 lb17th lightest of 42

Within the typical range for booster seats (6 lb to 13.2 lb).

This one
1.8 lbmiddle 9.8 lb20.9 lb
Price$49.998th lowest price of 53

Below the typical range for booster seats ($55.99 to $159.99).

This one
$19.98middle $79.99$399.99

What sets the Dreamtime Elite Highback Booster apart

Measured against the 65 booster seats we compare, from each maker's published specs.

  • Booster weight limit: 110 lbin the middle half of the 64 booster seats that publish it (100 lb to 120 lb)
  • Weight: 7.7 lbin the middle half of the 42 booster seats that publish it (6 lb to 13.2 lb)

Next to its closest matches

  • Graco TurboBooster LXNext to it, the Dreamtime Elite Highback Booster is 10 lb higher booster limit; 4 years shorter before it expires; 2.2 lb heavier.
  • Joie basil Backless BoosterNext to it, the Dreamtime Elite Highback Booster is 10 lb lower booster limit; 4 years shorter before it expires; 2.1 lb heavier.
  • Safety 1st Store 'n Go SportNext to it, the Dreamtime Elite Highback Booster is 10 lb higher booster limit; 4 years shorter before it expires.

Flying with the Dreamtime Elite Highback Booster

Harmony's label: “This restraint is NOT CERTIFIED for aircraft use. Aircraft seats are not equipped with 3-point lap-and-shoulder belts which are required for use with this booster seat.” American lists “Booster seats with no approval label or shoulder harness” under seats and devices not approved for use on board (source).

What airlines say about car seats:

  • American: “Each ticketed customer is allowed 1 stroller and 1 car seat to be checked free of charge” “If an unoccupied, adjoining seat is not available, the gate agent will check the safety seat to your final destination.” Source
  • Alaska: “We will transport your child's car seat and stroller free of charge as checked baggage.” Source
  • JetBlue: “Checking a child safety seat will not count towards your checked baggage allowance and there is no fee assessed” Source
  • Spirit: “One (1) car seat will be accepted per child as checked baggage at no charge.” Source
  • Frontier: “strollers and car seats can be checked for free.” Source
  • Allegiant: “There is no charge for checking or gate checking one car seat per fare-paying passenger.” Source
  • Breeze: “Child seats may be carried on board the aircraft if a seat has been purchased for the Infant or Child” Source

Quoted from each airline's page as of 2026-11-02.

Listed features

  • Fits 3-across
  • Converts to backless
  • Light at 7.72 lb

Worth checking

  • Upper limit is 110 lb

Where to buy the Dreamtime Elite Highback Booster

Prices and availability change. We may earn a commission from some links.

good to know
  • Check for recalls: Search the agency's recall list with the model number and date code from the label: NHTSA recall search.
  • Car seat use and installation: see NHTSA's car seat page, which also lists free car seat inspection by certified technicians. Check the label and the maker's instructions, and ask your pediatrician about your child.

Full specs

Harmony Dreamtime Elite Highback Booster
TypeBooster
List price$49.99
Booster weight40–110 lb
Booster height34–57 in
Seat weight7.72 lb
Head ruleChild's ears MUST BE BELOW the top of the booster seat
Installationvehicle lap/shoulder belt (booster)
Load legNo
Anti-rebound barNo
RotatesNo
Aircraft labelNot certified for aircraft
Expires after6 years

Compare the Dreamtime Elite Highback Booster with

How each closest rival differs from the Dreamtime Elite Highback Booster, from the makers' specs.

Ask the meadow

Dreamtime Elite Highback Booster: questions answered

From Harmony's published specs, last checked 2026-11-06.

Can you bring the Harmony Dreamtime Elite Highback Booster on a plane?

Harmony doesn't list it as certified for aircraft, so it can be checked as luggage but not used in the plane seat. See seats approved for planes.

Is it OK to buy a used Dreamtime Elite Highback Booster?

NHTSA publishes guidance on used car seats on its car seat page. Harmony lists a lifespan of 6 years from manufacture for this model. Check the label and the maker's instructions, and ask your pediatrician about your child.

Still wondering? Write to us at hello@cribpicks.com and we'll look it up.

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Where these specs come from

Last checked 2026-11-06. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.