10 Best Car Isofix Booster Seats

10 Best car isofix booster seats - December 2025

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Last Updated: 30-12-2025

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

Graco

9.8

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Jovikids ISOFIX Car Booster Seat, i-Size R129, 125–150 cm (6–12 Years), Cup Holder Seat Belt Guide, Lightweight, Removable/Machine-Washable Cover - Grey

Jovikids

9.6

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Best value

18% Off

Graco Booster Max R129 ISOFIX backless booster seat, Lightweight at only 2.7kg, Suitable from 137-150cm (approx. 7 to 12 years), Midnight fashion

Graco

9.5

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Littlesgo IFix Booster Seat, i-Size ISOFIX Car Seat, for Child from 125-150cm (3-12 Years, Group 2/3), Portable, Triple Foam Layers for Comfortable Travel, ECE R129, Darkgrey - Black, 1 Pack

Littlesgo

9.2

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Jovikids ISOFIX Car Booster Seat, i-Size R129, 125-150 cm (6–12 Years), Seat Belt Guide, Lightweight, Removable/Machine-Washable Cover - Black

Jovikids

9.1

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25% Off

Bebeconfort Manga i-Fix Booster Seat ISOFIX, Car Booster Seat for 6 - 12 years Boys and Girls, 22-36 kg, 128-150 cm, Portable Car Seats for Kids, Comfortable, Compact, Lightweight, Tinted Graphite

Bebeconfort

8.8

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My Babiie MBCSB20 Child Booster Seat - ISOFIX, R129 i-Size 125-150cm (Group 3, 6 to 12 Years Approx.) Portable Kids Car Seat, Comfortable, Compact, Lightweight, Ideal for Travel - Black

My Babiie

8.6

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My Babiie MBCSB25 Child Booster Seat - ISOFIX, R129 i-Size 125-150cm (Group 3, 6 to 12 Years Approx.) Portable Kids Car Seat, Comfortable, Compact, Lightweight, Ideal for Travel - Quilted Black

My Babiie

8.4

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Cozy N Safe Astra i-Size 135-150cm Child Booster, 3-Point Seatbelt or ISO-Fix, Extra deep Foam-Padded seat and armrests, 135-150 cm, Approx. 6-12 Years Old, Forward-Facing, Removable Covers – Onyx

COZY N SAFE

8.2

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4% Off

My Babiie MBCSB20 Child Booster Seat - ISOFIX, R129 i-Size 125-150cm (Group 3, 6 to 12 Years Approx.) Portable Kids Car Seat, Comfortable, Compact, Lightweight, Ideal for Travel - Grey

My Babiie

8.1

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more deals (1)

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

Jovikids ISOFIX Car Booster Seat, i-Size R129, 125–150 cm (6–12 Years), Cup Holder Seat Belt Guide, Lightweight, Removable/Machine-Washable Cover - Grey

Graco Booster Max R129 ISOFIX backless booster seat, Lightweight at only 2.7kg, Suitable from 137-150cm (approx. 7 to 12 years), Midnight fashion

Littlesgo IFix Booster Seat, i-Size ISOFIX Car Seat, for Child from 125-150cm (3-12 Years, Group 2/3), Portable, Triple Foam Layers for Comfortable Travel, ECE R129, Darkgrey - Black, 1 Pack

Jovikids ISOFIX Car Booster Seat, i-Size R129, 125-150 cm (6–12 Years), Seat Belt Guide, Lightweight, Removable/Machine-Washable Cover - Black

Bebeconfort Manga i-Fix Booster Seat ISOFIX, Car Booster Seat for 6 - 12 years Boys and Girls, 22-36 kg, 128-150 cm, Portable Car Seats for Kids, Comfortable, Compact, Lightweight, Tinted Graphite

My Babiie MBCSB20 Child Booster Seat - ISOFIX, R129 i-Size 125-150cm (Group 3, 6 to 12 Years Approx.) Portable Kids Car Seat, Comfortable, Compact, Lightweight, Ideal for Travel - Black

My Babiie MBCSB25 Child Booster Seat - ISOFIX, R129 i-Size 125-150cm (Group 3, 6 to 12 Years Approx.) Portable Kids Car Seat, Comfortable, Compact, Lightweight, Ideal for Travel - Quilted Black

Cozy N Safe Astra i-Size 135-150cm Child Booster, 3-Point Seatbelt or ISO-Fix, Extra deep Foam-Padded seat and armrests, 135-150 cm, Approx. 6-12 Years Old, Forward-Facing, Removable Covers – Onyx

My Babiie MBCSB20 Child Booster Seat - ISOFIX, R129 i-Size 125-150cm (Group 3, 6 to 12 Years Approx.) Portable Kids Car Seat, Comfortable, Compact, Lightweight, Ideal for Travel - Grey

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