booster seat slimmest

Harmony Defender 360 MAX SIP 3-in-1 Combination Deluxe Harnessed Booster Car Seat - Black: 5-Point Harness, Fits 3 Car Seats Across, LATCH Compatible

Disney Comfort Ride Harness Booster

Chicco KidFit Adapt Plus 2-in-1 Belt Positioning Booster Car Seat - Vapor

CINDERELLA • Pink | 2-in-1 Car Seat

Baby Trend Ally Newborn Baby Infant Car Seat Carrier Travel System with Harness and Extra Cozy Cover for Babies Up to 35 Pounds, 2-Pack, Stormy

Dreambaby Grab ‘N Go Travel Booster Seat – Portable Toddler High Chair for Dining - Rainbow Sage

Joie Matcha Spin SI Rotating 3-in-1 Convertible Car Seat

Bright Starts My Spot Easy Clean Booster Seat

Britax Grow with You Harness SafeWash Booster Car Seat - Mod Black

Chicco Fast Lock Go Hook-On Chair Booster Seat

Baby Trend Cover Me 4-in-1 Convertible Car Seat

Joie Pepper Spin SI Rotating 4-in-1 Convertible Car Seat

Baby Einstein Farm Vehicle Booster Seat

Chicco Fit3x ClearTex Ultra Slim All-in-One Car Seat

Chicco MyFit Harness + Booster Car Seat

Unilove Feed Me Booster Chair

Graco GoMax Baseless Infant Car Seat  ft. Insta-Install Rigid LATCH, Ace

SPIDER-MAN | 2-in-1 Car Seat

Baby Trend Trooper Slim 3-in-1 Convertible Car Seat

Smart Steps Explore N Play 5-in-1 Activity to Booster Seat - Blue Safari Fun