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10 bestMost Narrow Booster Seatof June 2026

112M consumers helped this year.

1

Graco Junior Maxi i-Size R129 Highback Booster car seat with cupholders, Suitable from 100-150cm (Approx. 3.5 to 12 Years), Hunter Fashion
Graco Junior Maxi i-Size R129 Highback Booster car seat with cupholders, Suitable from 100-150cm (Approx. 3.5 to 12 Years), Hunter Fashion

Graco

10.0

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5% off

2

BubbleBum Booster Seat, Inflatable Car Seat, Car Booster Seats for 4-12 Years Boy Girls Child Kids, Backless Portable Narrow Slim Foldable Lightweight Safe for Travel & Daily Use - Twin Black
BubbleBum Booster Seat, Inflatable Car Seat, Car Booster Seats for 4-12 Years Boy Girls Child Kids, Backless Portable Narrow Slim Foldable Lightweight Safe for Travel & Daily Use - Twin Black

BubbleBum

10.0

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13% off

3

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

Graco

9.9

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4

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
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

Maxi-Cosi

9.8

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10% off

5

Joie i-Pivot Grow i-Size 360º Spinning Birth to Booster R129 car seat (Birth to Approx 10 Years, 40 cm - 135 cm) - Shale
Joie i-Pivot Grow i-Size 360º Spinning Birth to Booster R129 car seat (Birth to Approx 10 Years, 40 cm - 135 cm) - Shale

Joie

9.6

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6

BRITAX RÖMER car seat KIDFIX 2 Z LINE, from 4 to 12 Years Old Children, ISOFIX Car Seat, Child from 15 to 36kg (Group 2/3), Space Black
BRITAX RÖMER car seat KIDFIX 2 Z LINE, from 4 to 12 Years Old Children, ISOFIX Car Seat, Child from 15 to 36kg (Group 2/3), Space Black

Britax Römer

9.4

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7

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 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

9.2

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8

Maxi-Cosi Kore i-Size High Back Booster Seat, 3.5 - 12 years, 100 - 150 cm, ISOFIX Car Seat, Adjustable Height/Width, Side Protection System Plus, Quick & Easy Buckle Up, Authentic Grey
Maxi-Cosi Kore i-Size High Back Booster Seat, 3.5 - 12 years, 100 - 150 cm, ISOFIX Car Seat, Adjustable Height/Width, Side Protection System Plus, Quick & Easy Buckle Up, Authentic Grey

Maxi-Cosi

9.0

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25% off

9

Maxi-COSI RodiFix S Comfort i-Size, Breathable Comfort Fabrics, Adjustable High Back Booster Seat, 3.5-12 Years (100-150cm), 3 Recline Positions, G-Cell Protection, AirProtect, Authentic Black
Maxi-COSI RodiFix S Comfort i-Size, Breathable Comfort Fabrics, Adjustable High Back Booster Seat, 3.5-12 Years (100-150cm), 3 Recline Positions, G-Cell Protection, AirProtect, Authentic Black

Maxi-Cosi

8.7

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10

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 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 Grey

Maxi-Cosi

8.5

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