Best Booster Car Seat With Harness

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 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

Maxi-Cosi Titan S Comfort i-Size, Breathable Comfort Fabrics, Child Car Seat, 15 months-12 years (76-150cm), ISOFIX Car Seat, 5 Recline & 13 Headrest Positions, G-CELL Protection, Authentic Black

Maxi-Cosi Titan Car Booster Seat, 9‑36 kg, 9 Months-12 Years, Multi-Age Baby Car Seat, ISOFIX Car Seat, Top-Tether, Headrest/Harness Adjustment, 5 Recline Positions, Cushioned Inlay, Basic Black

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

Cozy N Safe Logan Group 1/2/3 Car Seat 9-36kg, 9 Months to 12 Years, 5 Point Harness, Forward Facing, Side Impact Protection, Adjustable Headrest, Lightweight, Child, Toddler Car Seat - Black/Grey

Maxi-Cosi Tanza i-Size, High Back Booster Seat, 3.5–12 years, 100–150cm, Compact Foldable Car Seat, 10 Headrest Positions, G-CELL Side Impact Protection, Padded & Elevated Kids Car Seat, Full Black

Cosatto Zoomi Car Seat - Group 1 2 3, 9-36 kg, 9 Months-12 Years, Forward Facing, Unicorn Land

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

Kidoola Adjustable Car Seat for Toddlers & Children - Safety Certified Booster Seat, Padded & Comfortable with 3 Adjustable Age Functions & Straps, Up to 12 Years - ECE R44/04 (Grey & Black)