Best Narrow Booster Car Seat

Maxi-Cosi RodiFix AirProtect High Back Booster Seat, 15 - 36 kg, 3.5 - 12 Years, Reclining ISOFIX Car Seat, Adjustable Headrest/Backrest, Extra Side Protection, Quick & Easy Buckle-up, Authentic Black

Graco Junior Maxi i-Size R129 Highback Booster car seat with cupholders, Suitable from 100-150cm (approx. 3.5 to 12 years), Midnight fashion

Maxi-Cosi Tanza Child Seat with ISOFIX, Growing Booster Seat with G-Cell Side Impact Protection, Group 2/3 Car Seat, Can Be Used from Approx. 3.5 - 12 Years, (Approx. 100 - 150 cm), Grey

Jovikids I-Size Portable Booster Seat for Car with ISOFIX, 125-150cm (Group 2/3, 3-12 Years) for Kids, Comfortable, Compact, Convenient for Everyday Use, Great for Travel, ECE R129, Pink

My Babiie i-Size Booster Seat - ISOFIX, 125-150cm (Group 3, 6 to 12 Years Approx.) Portable Child Car Seat, R129, Comfortable for Kids, Compact, Lightweight, Ideal for Travel - Black Quilted

Maxi-Cosi RodiFix S i-Size, High Back Booster Seat, 3.5 - 12 years (100 - 150 cm), Child Car Seat, 3 Recline Positions, Adjustable Height/Width, G-CELL Side Impact Protection, AirProtect, Basic Grey

Maxi-Cosi RodiFix M i-Size, High Back Booster Seat, 3.5 - 12 years, 100 - 150cm, Kids Car Seat, G-CELL Side Impact Protection, Adjustable Height, Quick & Easy Buckle Up, ISOFIX Car Seat, Basic Black

Cybex Silver Solution X-Fix Child's Car Seat, High Back Booster, with Reclining Headrest, For Cars with and without ISOFIX, Group 2/3 (15-36 kg), From approx. 3 to 12 Years, Cobblestone

Graco Logico L i-Size R129 Highback Booster car seat with cupholders, Suitable from 100-150cm (approx. 3.5 to 12 years), Midnight fashion

BRITAX RÖMER car seat Adventure Plus 2, for Children from 100-150 cm (i-Size), 3,5-12 Years, Night Blue