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Best Isofix Car Booster Seats of 2026
Best Choice
1
Clicked 70 times in the last monthGracoGraco Affix i-Size R129 with ISOFIX Highback Booster car seat with cupholders, Suitable from 100-150cm (approx. 3.5 to 12 years), Midnight fashion
10% Off
9.9
Exceptional
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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2
GracoGraco Affix R44 Highback Booster car seat with isoCatch connectors, Suitable from approx. 4 to 12 years (15-36kg), Stargazer fashion
18% Off Limited Time Deal
9.8
Exceptional
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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3
My BabiieMy 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
17% Off
9.6
Exceptional
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
4
JovikidsJovikids ISOFIX Car Booster Seat, i-Size R129, 125-150 cm (6–12 Years), Seat Belt Guide, Lightweight, Removable/Machine-Washable Cover - Black
17% Off
9.4
Excellent
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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Value for Money
5
GracoGraco Booster Max R129 ISOFIX backless booster seat, Lightweight at only 2.7kg, Suitable from 137-150cm (approx. 7 to 12 years), Midnight fashion
30% Off Limited Time Deal
9.2
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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6
JovikidsJovikids I-Size Booster Seat for Car with ISOFIX, 125-150cm (Group 2/3, 6-12 Years), Portable Car Seats for Kids, Convenient for Everyday Use, Great for Travel, ECE R129 (Soft Green)
12% Off
9.1
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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7
LittlesgoLittlesgo 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
9.0
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
8
JovikidsJovikids 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, Pink
8.9
Very Good
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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9
COZY N SAFECozy 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
8.8
Very Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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10
LittlesgoLittlesgo 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, Grey-Darkgrey, 1 Pack
8.6
Very Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
