Model Number | SX439.DT |
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Product Dimensions | 57 x 66 x 46 cm; 12.2 Kilograms |
Item model number | SX439.DT |
Target gender | Unisex |
Maximum Weight Recommendation | 36 Kilograms |
Maximum Height Recommendation | 150 Centimetres |
Material Type | Bamboo |
Material composition | Polyester. Bamboo |
Additional product features | Nursery |
Number Of Items | 1 |
Style | Balance Donnington |
Batteries required | No |
Orientation | Forward Facing |
Harness type | 5-Point |
Item Weight | 12.2 kg |
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Silver Cross Balance i-Size Car Seat, Multi Stage Child Seat for Baby/Toddler/Child from 15 months to 12 Years (76-150cm), Multi-Position Reclining ISOFIX Car Seat, Black
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- Free returns are available for the shipping address you chose. For a full refund with no deduction for return shipping, you can return the item for any reason in new and unused condition.
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Enhance your purchase
Brand | Silver Cross |
Installation type | Isofix |
Material | Bamboo |
Colour | Black |
Orientation | Forward Facing |
Item dimensions L x W x H | 57 x 66 x 46 centimetres |
Item weight | 12.2 Kilograms |
Maximum Weight Recommendation | 36 Kilograms |
Harness type | 5-Point |
Maximum height recommendation | 150 Centimetres |
About this item
- Baby to Teen: Group 1 2 3 child car seat (approximately 15 months to 12 years)
- Multi Stage: Balance grows with your child. The 5 point harness is used up to 20.5 kg, then stores within the seat for continued use as a high back booster using the adult belt
- Safety meets Comfort: Featuring the softest natural bamboo fabrics, adjustable head rest, 4 recline positions and a deep memory foam base for a comfortable ride
- ISOFIX Secure: Quick, easy lock ISOFIX system and top tether for safe and secure fitting. Balance is lightweight and easy to switch between cars
- Award-Winning Car Seat: Includes 1 x Balance Car Seat
Additional details


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Product information
Technical Details
Additional Information
ASIN | B08F8DZPC4 |
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Customer Reviews |
4.5 out of 5 stars |
Best Sellers Rank | 5,979 in Baby Products (See Top 100 in Baby Products) 62 in Car Seats (Baby Products) |
Date First Available | 17 July 2020 |
Warranty & Support
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Product description
Product Description
Balance i-Size is a multi-stage car seat that grows with your child from 15 months to 12 years. The 5-point safety harness can be used up to a maximum weight of 20.5kg, then stows away neatly in the seat for continued use up to 150cm. Balance i-Size offers the best in safety and comfort for your little one. It has a removable insert with side wings and a head hugger, while memory foam seat padding makes it super comfortable, even on longer journeys. It’s safe and simple to install with ISOFIX and top tether. Balance is a multi stage car seat, suitable for use from 76-150cm (15 months to 12 years). Featuring the softest natural bamboo fabrics, which have thermo-regulating properties to take moisture away from the skin, keeping your child warm yet dry. Bamboo fabric is also anti-bacterial and hypoallergenic, making it perfect for sensitive skin. Balance i-Size suitable from: Age: 15 months to 12 years Height: 76-150cm Includes: 1 x Silver Cross Balance i-Size Car Seat
Box Contains
1 x BALANCE CAR SEAT
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From the manufacturer

Car Seats / The Car Safety Collection
Balance i-Size
Balance i-Size is an every stage car seat that grows with your child from 15 months to 12 years. Offering the best in safety and comfort, Balance i-Size features natural bamboo fabric which is super-soft and breathable.
Loved and trusted by parents
The award-winning Balance i-Size car seat is loved and trusted by parents for its unrivalled safety protection and easy-to-use functionality. The multi-stage seat meets the latest i-Size safety standards, so you can be sure your little is surrounded by the best safety protection.



Crafted from super-soft natural bamboo fabrics
Hypoallergenic, natural bamboo is perfect for sensitive baby skin. With anti-wicking properties drawing moisture away from the child, they stay comfy even on longer journeys.


Silver Cross car safety app
For added parent peace of mind, Balance i-Size is compatible with the Silver Cross car safety app. Our unique car seat installation app offers video tutorials and guides, so you can be sure your car seat is installed correctly and your child is travelling safely.
Download the Silver Cross car safety app for simple step-by-step fitting guides and vehicle compatibility lists.
Customer reviews
Customer Reviews, including Product Star Ratings, help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
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Reviewed in the United Kingdom on 9 April 2022
Top reviews from United Kingdom
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During a car incident we had, the straps didn’t work properly. So, we got in touch with customer service and they just said it’s our fault, we need to fasten them tighter and tighter. We explained them that we already have in use 3 toddlers’ and 2 infants’ car seats from other companies and we never had such issues, always follow the instructions for the safest use we can have. But, we place in there kids and not dolls, meaning that a child, especially 3.5 yo is moving during the use. So, these straps are too thin to stay in place and twisted making the car seat less safe. Unfortunately, they didn’t provide any other help or care, so we are in the procedure to replace it asap loosing so much money in so little time.
I can recommend Silver Cross pram, stroller, furniture, clothes, accessories BUT NOT that car seat or other car seat with that cheap and thin straps.

By PAVLINA ALEXIOU on 9 April 2022
During a car incident we had, the straps didn’t work properly. So, we got in touch with customer service and they just said it’s our fault, we need to fasten them tighter and tighter. We explained them that we already have in use 3 toddlers’ and 2 infants’ car seats from other companies and we never had such issues, always follow the instructions for the safest use we can have. But, we place in there kids and not dolls, meaning that a child, especially 3.5 yo is moving during the use. So, these straps are too thin to stay in place and twisted making the car seat less safe. Unfortunately, they didn’t provide any other help or care, so we are in the procedure to replace it asap loosing so much money in so little time.
I can recommend Silver Cross pram, stroller, furniture, clothes, accessories BUT NOT that car seat or other car seat with that cheap and thin straps.

Negatives - after owning this seat for the past six months - the car seat doesn’t recline very far back, so my sons head constantly slumps forward, when he falls asleep in the car. Also the fabrics have completely faded with the sun and the car seat now looks like I’ve owned it for ten years.
The straps are fiddly and the buckle always ends up under the child, so you have to rummage around when strapping your child in!
Very disappointed as I have high expectations when it comes to Silver Cross and I’m now considering replacing the seat with another well known brand.
I had to return 2 car seats to Amazon as they were not as comfortable as the reviews claimed, hard padding and hardly any recline.
This Silver Cross Balance i- Size is meeting all my expectations. The padding is very good, the head rest incredibly thick and comfortable. The isofix was easy to install and the added security of the belt attached to the boot is a reassuring added safety feature.
The seat is high enough so that the little ones can see well out of the window.. it keeps them occupied in a long boring journey!
My grandson fell asleep soon after settling in this seat, reclining enough so that his head does not fall forward.
Overall this is a winner and I can definitely recommend it to parents (or grandparents) as being the solid, safe and the most comfortable seat on the market they are looking for.
The straps never stay out of the way when you are putting the child in and inevitably they end up sitting on the buckle. The buckle itself is poorly made, not thought out properly and catches on trousers and is difficult to clasp. Quality of seems is poor and padding visible through corners in places, also rattles. Overall fairly disappointed in this, especially at the price point. I would not purchase again.
Really easy and quick to install. Took me about five minutes tops. It’s reclines too, so good for when my little one falls asleep in the car. Would definitely recommend. I want another one for my car haha
Assembling the three piece harness clip is fiddly but I think that's the case for all these child seats. In a year or so we'll be able to pack away the harness and go over to using the seat with a seat belt.
My only real complaint is that the strap that goes over the back of the car seat has a far too long hook and tensioning arrangement on the end of it. This means that it interferes with the tonneau cover on both of our cars. Hence only 4 stars.