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Best Booster Seats - Holiday Sale

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Last Updated - 17.12.2025

Best Choice

01

Graco

Graco Junior Maxi™ i-Size R129 Child Seat, Approx. 3.5 to 12 Years (100 to 150 cm), Child Booster Seat, Armrests and Headrest, Height-Adjustable, Lightweight, Cup Holder, Black, Midnight

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9.6

Exceptional

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Main highlights

So comfortable: Thanks to its cosy padded seat cover, the Junior Maxi i-Size R129 offers comfort on every ride.
Practical, lightweight: The Junior Maxi i-Size R129 is very light, with a weight of only 3.4 kg, and, therefore, frequent vehicle changes are no problem.
Grows with your child: The headrest can be adjusted to 10 heights with just one hand, so the Junior Maxi i-Size R129 adapts to all of your child’s growth spurts.
Absolute safety: Approved according to the EU safety standard R129. Thanks to its i-Size certification, it is suitable for all i-Size approved seat positions of a vehicle.

49,99 €
02

PETEX

PETEX "Max" 2x Child Booster Seats, i-Size R129/03, Black

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9.4

Excellent

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Main highlights

i-Size - tested according to UN ECE R129/03
Thickly padded, sturdy booster seat made of HDPE plastic
Pack of 2 child booster seats - removable cover
For children from 125 to 150 cm in height
3-point belt attachment, for all standard car seats

45,25 €
03

PETEX

Petex "Max" Child Booster Seat Booster Seat Child Car Seat for Children Black 1 Piece

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9.2

Excellent

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Main highlights

i-Size – tested according to UN ECE R129/03.
Thickly padded, sturdy booster seat made of HDPE plastic.
For children from 125 to 150 cm in height.
Easy to clean as the cover is removable.
3-point belt attachment, for all standard car seats.

20,90 €
04

DUNLOP

Dunlop ECE R129 Car Booster Seat for Children, Black, Ergonomic Child Seat from 3 Years, Children's Car Seat with Washable Cover, Seat Cushion Car for Children, 135-150 cm

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9.1

Excellent

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Main highlights

Seat cushion car soft surface – the fabric covered seat provides pleasant comfort, even on longer car journeys.
Children's seat cushion compact and handy – with the dimensions 39 x 31 x 15 cm, the seat is compact, easy to transport and space-saving storage.
Child seat universal fit – the elevator fits in almost any motorised vehicle such as car, bus or taxi – without complicated installation.
Child seat height lightweight and portable: thanks to the foam bottom, the seat is particularly light and ideal for travel or spontaneous trips by taxi.
Car seat height 135-150 cm – suitable for children between 1.35 m and 1.50 m, tested according to ECE R129 standard for additional safety in road traffic.

15,99 €
Value for Money

05

BigDean

Child Booster Seat According to i-Size Standard R129 Black Booster Seat (125-150 cm) Children's Car BigDean

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9.0

Excellent

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Main highlights

Universal use with 3-point harness in any car
Removable and easy to clean cover - suitable for everyday use for families
Lightweight, compact and quick to install - ideal for on the go
For children from 125 - 150 cm - tested according to the latest i-Size standard (UN/ECE R129)
Durable HDPE plastic seat shell with soft padding

19,99 €
06

UNITED KIDS

UNITED KIDS Safari Car Seat Group II/III EU Standard ECE R129 Booster Seat for Children from 135-150 cm Colour: Black/Grey

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8.9

Very Good

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Main highlights

Tested safety for your child: the Safari booster seat is tested and approved according to the new European test standard ECE R129 and meets all necessary safety standards
Quick assembly and easy to use: suitable for all car seats. No complex assembly is required. The booster seat is easily attached to the back seat with the strap. The cover of the car seat can be easily removed and can be washed in the washing machine
Higher comfort for your child: the foam padding guarantees a comfortable sitting experience, even on longer journeys. Due to the low weight, the booster seat is easy to transport. The booster seat has a comfortable dimensions of 34 x 38 x 12.5 cm (W x D x H) and is also suitable for smaller vehicles
Developed by UNITED KIDS Germany: for the safety of your child
Designed for children: Group 2/3 car booster seat - for children with a height of 135-150 cm. Perfect for school transport!

11,04 €
07

Jovikids

Jovikids ISOFIX, ECE R129 Children's Car Booster Seat 125-150 cm, Thickened Fabric Cover & Isofix Insertion Aid, Easy to Wash

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8.7

Very Good

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Main highlights

LIGHTWEIGHT AND PORTABLE: Weighing only 3kg, the booster seat is lightweight and easy to carry. Thanks to the compact dimensions (44 x 41 x 25 cm), it can be stored in the boot to save space. The booster seat gives your child a better view of the outside and makes bringing and picking up a breeze.
ISOFIX attachment: The Jovikids booster seat is compatible with ISOFIX and attaches securely to the vehicle seat - no wobbling or slipping. Installation and disassembly are simple, so your child can quickly change their seat depending on their mood. (For vehicles without ISOFIX connection, the booster seat can only be attached to the vehicle belt.)
Extra thick seat pad: the cover is 200% thicker and there is an extra layer of soft foam underneath. This ensures excellent cushioning and high comfort for children - even on long journeys. The cover is also easy to remove and clean, which makes care particularly easy.
ECE R129 standard: this seat shell meets the latest and most stringent European safety standard - ECE R129 - guaranteeing the highest level of safety for your child. The booster seat has been specially designed for children with a height of 125-150 cm (approx. 6-12 years).
ACCESSORIES Included is an adjustable strap guide that prevents the strap from chafing on the child's neck. In addition, you will receive two ISOFIX guides. If the ISOFIX connections of your vehicle are difficult to access, they make the installation of the booster seat much easier.

41,99 €
08

Bebeconfort

Bebeconfort Essential Booster Seat from 6 Months to 3 Years up to 15 kg Warm Grey

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8.6

Very Good

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Main highlights

With 3-point safety belt for optimum safety
The surface can be easily cleaned with a sponge
The rubber coating at the bottom of the booster seat ensures perfect stability
Perfect size for on the go
Can be easily and securely mounted thanks to two fastening straps and adapted to most chairs

17,99 €
09

BABYGO

babyGO Booster Seat Booster According to I-Size Standard - Child Booster Seat - Child Seat / Car Seat for Children (125-150 cm) Black

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8.5

Good

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Main highlights

Unique quality – the child booster seat from babyGO is made from extra high-quality materials in detailed work. It ensures maximum seating comfort
Low weight – thanks to the low weight of the booster seat, it can be taken anywhere, for example when travelling
Large and wide seat surface with soft padding – thanks to the polyester composition and the associated breathable covers, even longer journeys are no problem. The extra padding of the armrests and the seat area offer a pleasant sitting and sleeping comfort
Installation – the installation is very easy and the fixing is done with the help of the car belt. The raised armrest allows optimal belt guidance and the plastic shell is tested for the strongest loads
According to the new I-size standard – the forward-facing BABYGO booster seat booster is approved according to the new I size regulation for children from 125 - 150 cm according to ECE R129

22,88 €
10

Kinderkraft

Kinderkraft I-BOOST Child Seat 135-150 cm I-Size, Booster Seat from 9 to 12 Years, Easy Assembly, Ergonomic Posture, Additional Foam, Black

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8.4

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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Main highlights

CONFIRMED SAFETY: The I-BOOST booster seat (135-150cm) has been tested under strict conditions and complies with the latest i-Size safety standard R129. Safety is also increased by the possibility of mounting the booster seat using ISOFIX
Ergonomic: the I-BOOST booster seat has two comfortable armrests that increase comfort while driving. The booster seat allows the child to adopt a comfortable, ergonomic posture - both on a shorter and longer journey
Easy to use: the booster seat is lightweight and thanks to the possibility to mount it with the car belt or ISOFIX, installation and transport from car to car is very easy. It also has a cover that is easy to remove and wash
Easy to install: the I-BOOST booster seat can be installed with the help of ISOFIX as well as with the car belt. This allows it to be used in both newer and older car models (without ISOFIX)
Comfortable: the seat is wide and large - the booster seat for the I-BOOST child seat has been developed for the comfort of smaller and larger children. In addition, the seat has an additional layer of soft foam, which makes the ride more comfortable

38,78 €