Best Narrow Child Booster Seat

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

bubblebum

BubbleBum Inflatable Booster Car Seat – Foldable, Lightweight, Backless Travel Booster Seat for Kids, Portable Carseat for Toddler, Fits 3 Across, Compact for Uber - Ages 4-11 Year Old, - Black

Evenflo GoTime LX Booster Car Seat (Chardon Black)

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

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

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

UPPAbaby Alta V2 High Back Booster Seat/Seven-Position, Active Support Headrest for Growing Children/SecureFit Integrated Belt Guide + Positioner/Cup Holder Included/Kavneer (Almond Mélange)

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