10 bestHarmony Kid Booster Seatsof December 2025
112M consumers helped this year.
1

Graco Tranzitions 3-in-1 Harness Booster Seat, Toddler to Big Kid Car Seat from 10-45 kg (22-100lb), Harness/Highback/Backless Booster, Proof
Graco

9.8
8% off
2

Diono Cambria 2 XL 2022, Dual Latch Connectors, 2-in-1 Belt Positioning Booster Seat, High-Back to Backless Booster with Space and Room to Grow, 8 Years 1 Booster Seat, Pink
Diono

9.6
25% off
3

Graco Turbobooster Highback Booster Seat, 2-in-1 Car Seat, Highback to Backless Booster, Lennon
Graco

9.3
4

Britax Skyline 2-Stage Belt-Positioning Booster Car Seat, Dusk
BRITAX

9.0
5

Diono Solana 2022, No Latch, Single Backless Booster Car Seat, Lightweight, Machine Washable Covers, Cup Holders, Black
Diono

8.8
OtherUp to 25% off
28% off
6

Maxi-Cosi RodiSport 2-in-1 Booster Car Seat, High-back and backless modes, Rigid UAS Latch, cupholder Midnight Black
Maxi-Cosi

8.5
7

Evenflo 30712369C Chase Plus 2-In-1 Booster Car Seat (Grenada)
Evenflo

8.2
8

Evenflo Maestro Sport Harness Booster Car Seat (Granite)
Evenflo

7.9
9

BRITAX Highpoint Backless Belt-Positioning Booster Seat, SafeWash Black Ombre
BRITAX

7.7
10

Evenflo 30712360C Chase Plus 2-In-1 Booster Car Seat (Geneva)
Evenflo

7.4
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