Diono Monterey 5iST FixSafe vs Maxi-Cosi Tanza High-Back Belt-Positioning Folding Travel Booster

The Tanza High-Back Belt-Positioning Folding Travel Booster lists for $30 less.

Only the differences are shown.

Diono Monterey 5iST FixSafeMaxi-Cosi Tanza High-Back Belt-Positioning Folding Travel Booster
TypeBoosterBooster
List price$259.99$229.99Lowest price
Booster weight40–120 lb40–100 lb
Booster height38–63 in43.4–57 in
Seat weight18.7 lb16.5 lbLightest
Width17 inNot listed
Head ruleUse ONLY with children whose ears are below the top of either the fully raised booster seat head support or the fully raised vehicle headrest.DO NOT use this booster seat if the top of your child's ears are above the top of the booster seat's headrest; DO NOT use the booster seat if your child's head is less than 5 in. (12.7 cm) below the roof of the car.
InstallationLATCH, seat beltrigid LATCH connectors
Load legNoNo
Anti-rebound barNoNo
RotatesNoNo
Aircraft labelNot certified for aircraftNot certified for aircraft
No added flame retardantsNot listedYes
Expires after8 years10 years

Diono Monterey 5iST FixSafe

A fold-flat high-back booster that collapses to carry-on size, with a 12-position adjustable headrest and backrest.

  • Folds small for travel and carries on
  • Narrow 17 in width
  • Wide 40 to 120 lb range
  • Heavy at 18.7 lb for a travel booster
  • Fairly high regular price

Maxi-Cosi Tanza High-Back Belt-Positioning Folding Travel Booster

  • Maker lists rigid LATCH connectors with red-to-green indicators
  • Maker lists a 10-position adjustable headrest
  • Product weight 16.5 lbs per maker
Ask the meadow

Monterey 5iST FixSafe or Tanza High-Back Belt-Positioning Folding Travel Booster?

Answers come from each maker's published specs. Safety and health questions link to the agency or medical source.

Which one will my child use longer, the Monterey 5iST FixSafe or the Tanza High-Back Belt-Positioning Folding Travel Booster?

The Diono Monterey 5iST FixSafe: it goes booster, up to 120 lb. The Tanza High-Back Belt-Positioning Folding Travel Booster goes booster, up to 100 lb. The Monterey 5iST FixSafe expires after 8 years.

Which is easier to travel with?

Monterey 5iST FixSafe: 18.7 lb. Tanza High-Back Belt-Positioning Folding Travel Booster: 16.5 lb. Neither lists aircraft certification.

What does the extra $30 for the Monterey 5iST FixSafe get you?

No extra listed feature from the ones we track (load leg, anti-rebound bar, rotation, flame retardants). Compare fabrics, ease of install, and fit in your car. Both meet the same federal crash standard.

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