Best Booster Car Seat 3 Year Olds

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

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

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

Graco Affix R44 Highback Booster car seat with isoCatch connectors, Suitable from approx. 4 to 12 years (15-36kg), Stargazer fashion

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

Cozy N Safe Neo 125-150cm i-Size Child Booster Seat, 125-150 cm, Approx. 6-12 Years Old, Forward Facing, Removable Covers, Deep Foam-Padded seat and armrests, 3-Point Seatbelt, ECE R129 - Onyx

Kidoola Adjustable Car Seat for Toddlers & Children - i-Size Safety Certified Booster Seat, Padded & Comfortable with 3 Adjustable Age Functions& Straps, 100-125cm,Up to 12 Years -ECE R129(Grey&Black)

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

CYBEX Gold child car seat Solution G i-Fix, For cars with and without ISOFIX, From approx. 3 to 12 years (100 - 150 cm), From approx. 15 to 50 kg, Lava Grey

CYBEX Silver Solution X-Fix Car Seat, Suitable for Cars With or Without Isofix, Groups 2/3 (15-36 kg), From 3 Years to Approximately 12 Years, Gray Rabbit - Dark Gray