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

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)

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

Clek Oobr High Back Booster Seat with Adjustable Headrest, Reclining Design, Latch System, and Retardant-Free Fabric, Railroad

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

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

Chicco GoFit® ClearTex® Backless Booster Car Seat, Travel Booster Seat for Car, Portable Car Booster Seat for Children at Least 4 Years Old and 40-110 lbs. | Reef/Navy

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

Clek Olli Backless Booster Car Seat with Rigid Latch, Thunder

Evenflo Maestro Sport Harness Booster Car Seat, Crestone Peaks