KidShortlist
Peg Perego · High-back booster

Peg Perego Viaggio Flex 120

Based on 3 independent scored tests: BabyGearLab (2024), Insurance Institute for Highway Safety (IIHS) (2016), NHTSA (National Highway Traffic Safety Administration) Car Seat Ease of Use Ratings (2022). The test scores average 64. With only 3 tests, the ranking score is pulled down a little until more testers confirm it.

Tested for US & Canada
63
Shortlist score
Good
#181 of car seats for US & Canada
High confidence

Where to buy

This seat is certified for US & Canada. Car seats may only be used in the market they're approved for, so we don't link to shops in Czechia.

Test results

Each score as the tester published it, converted to our 0–100 scale. Weight is how much the result counts towards the score.

BabyGearLab US · Editorial review
BabyGearLab best booster seat review, 2024
78%
Easiest to Use Booster Seat
Our scale78
weight 0.60
Crash test
7.6
Ease of use
9.0
Weight size
6.9
Comfort
8.0
Quality
7.0
Listed at $300 metric weights: Crash Test (35%); Ease of Use (25%); Weight/Size (15%); Comfort (15%); Quality (10%); overall listed on https://www.babygearlab.com/topics/vehicle-safety/best-booster-seat/ratings; review last modified 2024-01-26
View on babygearlab.com ↗
NHTSA (National Highway Traffic Safety Administration) Car Seat Ease of Use Ratings US · Government / institute
NHTSA Car Seat Ease of Use Ratings, 2022 · booster mode
3/5★
3 stars
Our scale60
weight 0.28
Labels
2
Instructions
2
Securing child
3
Vehicle installation features
5
NHTSA Ease of Use rating for Booster mode (Highback); seat type Booster; model #IMVF00US35DX13DX79; evaluated seat manufactured 2022-03-28; test_year = year of manufacture of the evaluated seat (NHTSA does not publish a rating date in the data)
View on api.nhtsa.gov ↗
1 older or duplicate result not counted
Insurance Institute for Highway Safety (IIHS) US · Lab test
IIHS booster belt-fit ratings (final ratings list, program 2008-2024) · highback
CHECK FIT
Check Fit
Our scale45
not counted

Not counted: Superseded by a newer test from the same source.

Tested model #IMVF00US; seat type: Highback only; rating year not shown on the IIHS ratings list; rating covers booster-mode belt fit only (IIHS does not rate harness modes)
View on iihs.org ↗

Top-ranked alternatives

How we turn these into one number: methodology. Tested 2016–2024.

KidShortlist

We don't test products ourselves. Every score here comes from an independent tester and links back to it. We combine 4,061 results from 26 sources.

Read before buying

Several testers are paywalled, so we only include what they publish openly. Models change and get recalled. Check the tester's own page and the retailer listing before you buy.

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