Advertising Disclosure Slimline Booster Car Seat Comparison - July 2025
7 Best Slimline Booster Car Seat In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.8Exceptional | 2  9.5Excellent | 3  9.3Excellent | 4  9.2Excellent | 5 Best Value  9.1Excellent | 6  9.0Excellent | 7  8.9Very Good |
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ModelJovikids I-Size Booster Seat for Car with ISOFIX, 125-150cm (Group 2/3, 6-12 Years), Portable Car Seats for Kids, Comfortable, Compact, Convenient for Everyday Use, Great for Travel, ECE R129, Black | Model Bebeconfort Manga i-Safe, Car Booster Seat, 6–12 Years, 125–150cm, Child Booster Seat, Compact & Lightweight (<1kg), Easy Belt Installation, Fully Padded, Soft-Touch Fabrics, Full Black | Model Cozy N Safe Tambu Group 3 (22-36kg, 6-12 Years Old) Memory Foam, Lightweight Compact, Backless Booster Car Seat (Midnight Black) | Model 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 | Model Graco Junior Maxi i-Size R129 Highback Booster car seat with cupholders, Suitable from 100-150cm (approx. 3.5 to 12 years), Midnight fashion | Model Jovikids I-Size Booster Seat with ISOFIX, Suitable for Child Height 125-150cm, Portable Car Seats with Cup Holder for Kids, Comfortable & Compact for Everyday Use, Great for Travel, ECE R129 (Grey) | Model My Babiie Booster Lite R129 Car Seat - Lightweight at 1kg, Approx. 6-12 Years (125-150cm, 22-36kg), i-Size Backless Child Car Seat, Group 3, Compact, Portable, Ideal for Travel - Black |
BrandJovikids | Brand Bebeconfort | Brand COZY N SAFE | Brand Maxi-Cosi | Brand Graco | Brand Jovikids | Brand My Babiie |
Reviews | Reviews  | Reviews | Reviews | Reviews | Reviews | Reviews - |
Features | ||||||
Durability 9.9 | Durability 9.6 | Durability 9.8 | Durability 9.1 | Durability 8.6 | Durability 8.4 | Durability 8.1 |
Comfort 9.6 | Comfort 9.9 | Comfort 9.6 | Comfort 9.6 | Comfort 9.1 | Comfort 9.1 | Comfort 8.9 |
Tech Specs | ||||||
orientation Forward Facing | orientation Forward Facing | orientation Forward Facing | orientation Forward Facing | orientation Forward Facing | orientation Forward Facing | orientation Forward Facing |
product dimensions 37 x 44 x 23 cm 3 kg | product dimensions 36 x 41 x 20 cm 1 kg | product dimensions 34.01 x 42.9 x 17.5 cm 940 g | product dimensions 59 x 45 x 62 cm 6.72 kg | product dimensions 53.7 x 40.8 x 81.7 cm 3.49 kg | product dimensions 37 x 44 x 23 cm 3 kg | product dimensions 42.5 x 36 x 20.5 cm 1.15 kg |
item weight 3 kg | item weight 1 kg | item weight 940 g | item weight 6.72 kg | item weight 3.49 kg | item weight 3 kg | item weight 1.15 kg |
maximum weight recommendation 36 Kilograms | maximum weight recommendation 36 Kilograms | maximum weight recommendation 36 Kilograms | maximum weight recommendation 36 Kilograms | maximum weight recommendation 36 Kilograms | maximum weight recommendation 36 Kilograms | maximum weight recommendation 36 Kilograms |
material type Polyethylene | material type Fabric | material type Memory Foam | material type Plastic | material type Polyester, Alloy Steel, Polypropylene | material type Polyethylene | material type Metal, Plastic, Fabric |
batteries required No | batteries required No | batteries required No | batteries required No | batteries required No | batteries required No | batteries required No |
material composition PE & Knitted Cationic | material composition HDPE, Polyester, Polyurethane | material composition Plastic / Polyester | material composition 22 Steel, 60 PP, 3 ABS, 6 PA, 1 POM, 1 PC, 1 TPR, 4 EPS, 1 EPE, 1 Memory Foam | material composition 1.92 Steel, 85.16 plastic, 12.92 polyester | material composition PE & Knitted Cationic | material composition Plastic, Polyester |
customer reviews4.7 4.7 out of 5 stars 1, 134 ratings 4.7 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 819 ratings 4.6 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 3, 591 ratings 4.7 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 65 ratings 4.5 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 346 ratings 4.7 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 8 ratings 4.6 out of 5 stars | customer reviews - |
harness type 3-Point Adult Belt | harness type - | harness type 3-Point | harness type - | harness type 3-Point | harness type 3-Point | harness type 3-Point |
maximum height recommendation 150 Centimetres | maximum height recommendation 41 Centimetres | maximum height recommendation 125 Centimetres | maximum height recommendation - | maximum height recommendation - | maximum height recommendation 150 Centimetres | maximum height recommendation 150 Centimetres |
care instructions Hand Washable | care instructions - | care instructions Booster | care instructions - | care instructions - | care instructions Hand Washable | care instructions Hand Wash |
rear facing maximum child weight 36 Kilograms | rear facing maximum child weight - | rear facing maximum child weight 36 Kilograms | rear facing maximum child weight 36 Kilograms | rear facing maximum child weight - | rear facing maximum child weight 36 Kilograms | rear facing maximum child weight - |
minimum weight recommendation 15 Kilograms | minimum weight recommendation - | minimum weight recommendation 22 Kilograms | minimum weight recommendation - | minimum weight recommendation - | minimum weight recommendation 15 Kilograms | minimum weight recommendation - |
minimum height recommendation 125 Centimetres | minimum height recommendation - | minimum height recommendation - | minimum height recommendation - | minimum height recommendation - | minimum height recommendation 125 Centimetres | minimum height recommendation 125 Centimetres |
style- | style Manga i-Safe | style - | style Tanza i-Size | style R129 Midnight | style - | style - |
Available On | Available On | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1JovikidsJovikids I-Size Booster Seat for Car with ISOFIX, 125-150cm (Group 2/3, 6-12 Years), Portable Car Seats for Kids, Comfortable, Compact, Convenient for Everyday Use, Great for Travel, ECE R129, Black
9.9 Durability9.6 ComfortWhy we love it
Meets strict safety standards.
Comfortable with padded cover.
Fits various car models.
-
9.5
2Bebeconfort
Bebeconfort Manga i-Safe, Car Booster Seat, 6–12 Years, 125–150cm, Child Booster Seat, Compact & Lightweight (<1kg), Easy Belt Installation, Fully Padded, Soft-Touch Fabrics, Full Black
9.9 Comfort9.6 DurabilityWhy we love it
Lightweight and easy to move.
High EU safety standards.
Machine-washable cover.
-
9.3
3COZY N SAFE
Cozy N Safe Tambu Group 3 (22-36kg, 6-12 Years Old) Memory Foam, Lightweight Compact, Backless Booster Car Seat (Midnight Black)
9.8 Durability9.6 ComfortWhy we love it
Deep memory foam for ultimate comfort.
Lightweight and easy to transfer.
Machine washable covers for easy cleaning.
Our ranking system
The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.
Features
Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
Consumer Reviews
We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
Popularity
Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
