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10 bestMost Narrow Booster Seatof December 2025

112M consumers helped this year.

1

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 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

9.9

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20% off

2

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

Graco

9.8

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3

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

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

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

My Babiie

9.6

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14% off

4

Jovikids I-Size Booster Seat for Car with ISOFIX, 125-150cm (Group 2/3, 6-12 Years), Portable Booster Seat for Kids, Comfortable, Compact, Convenient for Everyday Use, Great for Travel, ECE R129, Blue

Jovikids I-Size Booster Seat for Car with ISOFIX, 125-150cm (Group 2/3, 6-12 Years), Portable Booster Seat for Kids, Comfortable, Compact, Convenient for Everyday Use, Great for Travel, ECE R129, Blue

Jovikids I-Size Booster Seat for Car with ISOFIX, 125-150cm (Group 2/3, 6-12 Years), Portable Booster Seat for Kids, Comfortable, Compact, Convenient for Everyday Use, Great for Travel, ECE R129, Blue

Jovikids

9.4

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5

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 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

9.2

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OtherRelated products

Sparco SPC3002GR3CM Booster Seat, Grey

Sparco SPC3002GR3CM Booster Seat, Grey

Nania - Belted booster seat ALPHA 126-150 cm R129 i-Size - for Children aged 8 to 12 - Made in France - with armrests (Access black)

Nania - Belted booster seat ALPHA 126-150 cm R129 i-Size - for Children aged 8 to 12 - Made in France - with armrests (Access black)

All Ride Booster Seat Grey

All Ride Booster Seat Grey

6

Graco Eversure Lite R129 Backless Booster Car Seat, Lightweight at only 2.1kg, Suitable from approx. 7 to 12 years (135-150cm), Navy fashion

Graco Eversure Lite R129 Backless Booster Car Seat, Lightweight at only 2.1kg, Suitable from approx. 7 to 12 years (135-150cm), Navy fashion

Graco Eversure Lite R129 Backless Booster Car Seat, Lightweight at only 2.1kg, Suitable from approx. 7 to 12 years (135-150cm), Navy fashion

Graco

8.9

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7

My Child Brundle Group 2/3 Booster, Grey, 700 g

My Child Brundle Group 2/3 Booster, Grey, 700 g

My Child Brundle Group 2/3 Booster, Grey, 700 g

My Child

8.6

Buy it on Amazon

7% off

8

Cozy N Safe Neo 125-150cm i-Size Child Booster Seat, 22-36KG, Approx. 6-12 Years Old, Forward Facing, Removable Covers, Deep Foam Padded seat and armrests, 3-Point Seatbelt, ECE R129

Cozy N Safe Neo 125-150cm i-Size Child Booster Seat, 22-36KG, Approx. 6-12 Years Old, Forward Facing, Removable Covers, Deep Foam Padded seat and armrests, 3-Point Seatbelt, ECE R129

Cozy N Safe Neo 125-150cm i-Size Child Booster Seat, 22-36KG, Approx. 6-12 Years Old, Forward Facing, Removable Covers, Deep Foam Padded seat and armrests, 3-Point Seatbelt, ECE R129

COZY N SAFE

8.3

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9

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

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

8.0

Buy it on Amazon

14% off

10

Graco Booster Basic R129 Backless Booster Car Seat, Lightweight at only 1.4kg, Suitable from approx. 7 to 12 years (135-150cm), Black fashion

Graco Booster Basic R129 Backless Booster Car Seat, Lightweight at only 1.4kg, Suitable from approx. 7 to 12 years (135-150cm), Black fashion

Graco Booster Basic R129 Backless Booster Car Seat, Lightweight at only 1.4kg, Suitable from approx. 7 to 12 years (135-150cm), Black fashion

Graco

7.7

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