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Description
i size cybex sirona Cybex Sirona Gi i-Size 360 Car Seat with Isofix Base – Magic Black – Mamas & Papas UKCybex Sirona Gi i Size 360 Car Seat with Isofix Base Magic Black The latest car seat in the successful Sirona line is the most comfortable yet: the Sirona Gi i Size. Extended rear facing for safer travel up 20kg, this car seat also features integrated Linear Side impact Protection for defence from all directions. A range of innovative features also upgrade your childs comfort, including 360 rotation in any recline position with the easy rotation
Cybex Sirona Gi i-Size 360 Car Seat with Isofix Base – Magic Black
The latest car seat in the successful Sirona line is the most comfortable yet: the Sirona Gi i-Size. Extended rear-facing for safer travel up 20kg, this car seat also features integrated Linear Side-impact Protection for defence from all directions.
A range of innovative features also upgrade your child’s comfort, including 360° rotation in any recline position with the easy rotation handle, for smooth on and off boarding. Innovative all-round air ventilation means the ride stays cool.
Five recline positions are available in either direction to ensure ultimate comfort for your child, whether they’re a tiny newborn or a fully-grown four-year-old (newborn inlay accessory sold separately).
Comfort and safety for their first four years with the Sirona Gi i-Size.
*compared to the same seat forward-facing in a frontal crash. Result of internal testing using 2022 ADAC frontal crash test criteria.
Product Features:
- Extended rear-facing – one of the safest ways to travel in a car seat. In the critical first moments of a frontal impact, the child’s body is pushed against the padded car seat shell. This keeps movement to a minimum and reduces force acting on the child’s neck. Mandatory up to 15 months (76 cm), we recommend keeping your child rear-facing for as long as possible. The Sirona Gi i-Size is designed for your child to sit comfortably rear-facing until they weigh 20 kg.
- A stress-free start to your journey. Just swivel the car seat using the easy rotation handle to face the car door and get your child onboard, in any recline position. You can avoid back strain, while your child stays comfortable in the recline position that fits them, whether they’re a newborn or a toddler. Switching from rear to forward-facing travel is just as easy.
- The all-round air ventilation of Sirona Gi i-Size allows air to flow through ventilation channels within the car seat, carrying away heat and helping avoid a hot and sweaty ride for your little one. Choosing the mesh fabric available on the Plus version increases airflow even more – with up to 6 times more breathability than comparable car seat fabrics. The clear choice for comfort in any season.
- When you’re getting your child strapped into the car seat, you need all the help you can get. The Sirona Gi i-Size features ingenious loops designed to keep the harness out of the way as you get your child onboard.
- As your baby grows, adjust the Sirona Gi i-Size headrest for a comfortable fit at every stage. 12 positions allow a tailored fit to your child, with the harness lengthening automatically with each adjustment. And it can be adjusted with one hand for extra ease of use.
- The Linear Side-impact Protection defends your child against the force of a side impact. Working together with the energy-absorbing shell, the L.S.P. System significantly reduces the effect of impact force on the child.
- For every moment, whether your little one is a newborn or a growing child, the ideal recline setting is available in both riding directions – and in the boarding position, too. And when your child falls asleep in the seat, you can recline it with one hand, letting them dream that little bit longer.
- It only takes moments to set up your Sirona Gi i-Size. Use an ergonomic handle to click the ISOFIX into the vehicle seat and extend the load leg down to the car floor. Both provide stability and extra safety in the event of an accident. Visual indicators help you confirm the seat is ready to protect.
This Item Includes: Sirona Gi i-Size Car Seat & Integrated ISOFIX Base
Age Suitability: 3 months to approx. 4 years (from birth with newborn inlay – sold separately)
Weight Suitability: Max 20kg
Composition: Polyester blend
Health & Safety: UN R129/03
Care & Maintenance: Wash fabrics at 30 degrees, wipe down.
Self-Assembly Required?: Assembled
Dimensions: 71cm x 44cm x 75cm
Weight: 13kg
- Up to 50% higher safety levels
- Quick and easy on-boarding
- Optimal breathability
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
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Product Reviews
★★★★★ 5
Honestly great choice
Size: Size 4 (104 Count), Color: Wild Thang + All the Alpacas
’ve tried several diaper brands over the past year, and these honestly surprised me in the best way. The Honest Company Comfort Dry diapers feel noticeably softer than many mainstream brands, and I immediately appreciated that they’re hypoallergenic and designed for sensitive skin. My little one is prone to irritation, but we’ve had zero redness or rashes since switching.
Absorbency has been excellent for daytime use. We use Pampers overnights for night time. They hold up well during long errands, naps, and active play without sagging or leaking. The fit is snug without being too tight around the waist or legs, which helped prevent blowouts better than some pricier brands we’ve tested. This is huge for us cause her blow outs have literally been to the edge of the diaper and it catches it!!
Another thing I really like is that they don’t have a strong chemical smell like some disposable diapers do. The material feels breathable, and the cute prints are an added bonus without sacrificing performance.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
An Honest-to-Goodness Review: Diapers That Deliver Divine Comfort!
Size: Size 6 (68 Count), Color: So Delish + It's a Pawty
As a parent, you're constantly seeking products that offer both peace of mind and genuine quality for your little one. And let me tell you, when it comes to diapers, The Honest Company has truly answered our prayers. After putting their diapers through the ultimate test of babyhood – from explosive blowouts to long, sleepy nights – I can confidently say that these are not just good diapers; they're divine.
First Impressions: Aesthetically Pleasing & Thoughtfully Designed
Right out of the box, Honest diapers stand out. Gone are the days of boring, clinical-looking diapers. Honest offers an array of adorable, stylish prints that make diaper changes a little more fun. Seriously, who knew a diaper could be a fashion statement? But it's not just about looks.
Absorbency That Works Wonders (Even Overnight!)
This is where Honest truly shines. The absorbency of these diapers is nothing short of miraculous. I've used countless brands, and few can hold a candle to Honest's ability to keep my baby dry, even after a full night's sleep. The plant-based core is incredibly effective at wicking away moisture, preventing diaper rash and keeping sensitive skin happy. No more waking up to a soaked crib sheet or a fussy baby due to dampness!
The Verdict: Worth Every Penny!
Yes, Honest diapers might come with a slightly higher price tag than some conventional brands. However, the superior absorbency means fewer diaper changes (especially overnight!), and the gentle, plant-based materials mean fewer instances of diaper rash, which ultimately saves on creams and discomfort. When you factor in the peace of mind, the adorable designs, and the eco-conscious efforts, The Honest Company's diapers are an investment that truly pays off.
If you're looking for a diaper that prioritizes your baby's comfort, health, and even offers a touch of style, look no further. Honest diapers are, without a doubt, a divine choice for your little angel!
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Reviewed in the United States on August 24, 2025
★★★★★ 1
SO DISSAPOINTED!
Size: Size 4 (104 Count), Color: Donut Grow Up + Cactus Cuties
I am a huge fan of honest diapers and products but i am very DISAPPOINTED in this companies policies. I got a bad batch of diapers, the tabs pulled off of more than 70% of the 104 diapers! I tried to do the right thing and contact the selling company, they sent me to to the manufacturer who eventually sent me back to amazon for a refund. However, since it took so long for me to get email responses from the providing compan and the manufacturer they only gave me a $9 refund from a $45 dollar purchase, which is absolutely garbage! I did everything they asked me to and got SCREWED because of it. I thought this company cared about its customers but they obviously dont. I have been buying honeat diapers for nearly 3 years now, but that changes today, i hope saving $30 was worth giving up a customer who bought diapers for 2 kids for 3 years! What a shame, I wish companies cared more about their customers than they do their bottom line, but that is clearly not the case. Well, with 2 more kids they lost out on at least $5k, I sure hope saving $30 was worth it to them.... What a shame..
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Amazing!
Size: Size 3 (120 Count), Color: Space Travel + It's a Pawty
I cannot recommend Honest Diapers enough! After trying several brands, these truly stand out for their comfort, reliability, and eco-conscious design. The fit is snug yet gentle, preventing leaks without leaving red marks on my baby’s skin. What I love most is how soft and breathable they feel—my little one stays dry and comfortable all day and night.
The absorbency is outstanding; even after long stretches, there’s no sagging or irritation. I also appreciate the clean ingredients and the fact that they’re free from harsh chemicals, which gives me peace of mind. Plus, the adorable prints are a sweet bonus that makes diaper changes a little more fun.
Overall, Honest Diapers deliver exactly what they promise: premium quality, safety, and comfort. They’ve made diapering stress-free for us, and I feel confident knowing I’m making a better choice for both my baby!
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Reviewed in the United States on August 16, 2025
★★★★★ 5
Soft and no more break out rashes
Size: Size 5 (84 Count), Color: Wingin' It + Catching Rainbows
Love these diapers! My fourth baby would keep breaking out and no matter what creams we tried it would not get better until we made the switch and it was instant relief and no more bumps. Baby was a lot happier as well! Give them a try you won’t regret it.
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Reviewed in the United States on May 8, 2026