Best Narrow Booster Car Seat

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

Graco Extend2Fit 3-in-1 Car Seat, Grey Booster Car Seat Convertible

Evenflo Maestro Sport Harness Booster Car Seat, Crestone Peaks

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

Graco TriRide 3-in-1 Convertible Car Seat - Highback Booster, Forward & Rear Facing modes, Suitable from Newborn to Preschooler, Perfect for Long Journeys in Redmond Color

Britax One4Life ClickTight All-in-One Car Seat, Eclipse Black

Chicco GoFit Plus Backless Booster Car Seat with LATCH Attachment and Quick-Release LATCH Removal, Portable Travel Booster Seat for children 40-110 lbs. | Iron/Black

hiccapop

hiccapop UberBoost Inflatable Booster Car Seat | Blow up Narrow Backless Booster Car Seat for Travel | Portable Booster Seat for Toddlers, Kids, Child | Black/Gray

Cosco

Cosco Topside Backless Booster Car Seat, Lightweight Booster Seats for Cars 40-100 lbs, Backless Booster Seat for Car, Leo

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