Best Harmony Booster Carseats

Graco Extend2Fit Kenzie, 2-in-1 Convertible Car Seat for Infants to Toddlers with Advanced Safety Features

Graco TriRide 3-in-1 Reclining Car Seat, Clybourne - Rear & Forward Facing Car Seat, Highback Booster, Adjustable Headrest

Graco Slimfit 3 in 1 Convertible Car Seat | Slim & Comfy Design Saves Space in Your Back Seat, Redmond

Graco Tranzitions 3 in 1 Harness Booster Seat

Graco Turn2Me 3-in-1 Car Seat with Rotating Feature, Highback Booster, for Newborn to Toddler up to 100lbs, in Manchester

Graco Grows4Me 4-in-1 Car Seat, Convertible Infant to Toddler Car Seat and Booster, West Point Design, for 10 Years of Safe, Comfortable Journeys

Graco® TurboBooster® LX Backless Booster with Affix Latch | Backless Booster Seat for Big Kids Transitioning to Vehicle Seat Belt (Rio)

Britax One4Life Convertible Car Seat, 10 Years of Use from 5 to 120 Pounds, Converts from Rear-Facing Infant Car Seat to Forward-Facing Booster Seat, Machine-Washable Fabric, Onyx Stone

Safety 1st

Safety 1st Grand 2-in-1 Booster Car Seat, Forward Facing Car Seat with Harness, High Back Booster Seat for Car, 30-65 Pounds and Belt-Positioning Booster, Car Seats, 40-100 Pounds, Black Sparrow

Chicco KidFit ClearTex Plus 2-in-1 Belt-Positioning Booster Car Seat, Backless and High Back Booster Seat, for Children Aged 4 Years and up and 40-100 lbs. | Obsidian/Black