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Description
kindersitz cybex sirona Cybex Sirona S SensorSafe Convertible Car Seat – Twinkle Twinkle Little OneThe CYBEX Sirona S is the ONLY convertible car seat to feature a 360 swivel seat with a load leg, linear side impact protection, and SensorSafe technology. Built into the chest clip, SensorSafe provides real time in app alerts when potentially unsafe situations arise including if a child unbuckles the chest clip, if the back seat becomes too warm or too cold, and if the driver unintentionally leaves the child behind. These features offer advanced
The CYBEX Sirona S is the ONLY convertible car seat to feature a 360° swivel seat with a load leg, linear side impact protection, and SensorSafe technology. Built into the chest clip, SensorSafe provides real-time in-app alerts when potentially unsafe situations arise including if a child unbuckles the chest clip, if the back seat becomes too warm or too cold, and if the driver unintentionally leaves the child behind. These features offer advanced safety protection for children and greater peace of mind for parents.
- ONE-HAND 360° SWIVEL SEAT: For easy loading and unloading of your child
- LOAD LEG: Absorbs energy and reduces crash forces on the child by up to 30% in a front impact collision*
- ONE-TIME VEHICLE BELT INSTALLATION: Allows seamless transition from rear-facing to forward-facing mode without having to re-install
- EASYLOCK™ BAR: Reduces force needed up to 4x for quick, simple and secure installation
- SENSORSAFE TECHNOLOGY: Bluetooth enabled chest clip sends mobile app alerts if a child unbuckles the chest clip, if the back seat becomes too warm or too cold, and if the driver unintentionally leaves the child behind
- 12-POSITION ON THE FLY RECLINE: Adjust even when the seat is in use
- LINEAR SIDE-IMPACT PROTECTION (L.S.P.): Reduces collision forces by up to 25% in a side impact crash*
- ANTI-REBOUND BASE: Reduces rebound forces in a rear or front impact crash
- REAR-FACING LONGER: Up to 50 lbs.
- MAGNETIC BUCKLE HOLDERS: Keeps harness out of the way for easy loading and unloading of your child
- DISHWASHER SAFE CUP HOLDER: Can be positioned on either side of seat
- 12-POSITION ADJUSTABLE HEADREST: Harness adjusts with the headrest for a proper fit as your child grows
- DUAL-LEVEL INDICATORS: Clearly indicate the proper car seat angle from either side of the seat
- STEEL REINFORCED FRAME: Provides strength and durability
- 3-POSITION PADDED BUCKLE: Allows for a secure fit while providing extra comfort for your growing child
- REMOVABLE INFANT INSERT: Ensures proper fit and support for babies
*As compared to the same car seat without this feature
Usage
- Child Age Minimum: newborn
- Child Age Maximum: 8 years
- Child Weight Minimum: 4 lbs.
- Child Weight Max: 65 lbs.
- Rear-Facing Mode Weight Limitation: 4-50 lbs.
- Rear-Facing Mode Height Limitation: 17"-49"
- Forward-Facing Mode Weight Limitation: 22-65 lbs
- Forward-Facing Mode Height Limitation: 28-49 in
- Forward-Facing Mode Age Limitation: at least 22 lbs
- Forward-Facing Mode Fit Limitation: top of ears below the top of the headrest
Specifications
- Dimensions: 24.5"D x 19"W x 25.5"H
- Weight: 30.4 lbs.
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
4.5 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Strong toy
Size: Large, Product Packaging: Standard Packaging
Nice, but smaller than I expected.
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Reviewed in the United States on May 16, 2026
★★★★★ 4
Small means small
Size: Small (Pack of 1), Product Packaging: Standard Packaging, Size: Small (Pack of 1), Product Packaging: Standard Packaging
To small for 2 month German Shepherd. It was my bad for ordering a small. But I never saw product specs saying the actual size. Remember never buy a to small of toy for your puppy as it’s a choking hazard.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Totally indestructible
Size: Large, Product Packaging: Standard Packaging
My daughter's lab kills any toy he gets. This was perfect! We accidentally left it in his kennel while out one day and it was still in perfect condition. Totally worth the money if you dog is a tyrant with toys!!
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Reviewed in the United States on May 11, 2026
★★★★★ 1
SAVE YOUR MONEY, THESE ARE UTTER GARBAGE UNLESS YOUR DOG HAS NO TEETH (MAYBE)!!
Size: Large, Product Packaging: Standard Packaging, Size: Large, Product Packaging: Standard Packaging
For all those purchasers who are posting videos of these toys while talking about how great they are and how long they have lasted at your house, would you mind disclosing the breed and age of your dog(s) that play with them? I only ask because I am finding these "positive" reviews REALLY hard to believe now that I have firsthand knowledge that, as a chew toy, this thing completely sucks. Based upon personal experience and the physical and photographic evidence, your dog might be an OBSESSIVE chewer, but they are most assuredly NOT a "power" chewer. If they were, you would almost certainly be posting reviews saying that this toy is utter crap, just like I'm having to do now.
After many years of experience using Kong brand toys, the idea that this toy is the "most durable" Kong toy is just ridiculous, and blatant false advertising in my opinion. It took three of my dogs (a 5 year-old Boxer/Pit Bull mix (2nd pic) I'm fostering and two one year old border collie puppies) all of five minutes to completely shred FOUR of these toys straight out of the delivery box. I was the proud owner of four of these things for all of five frickin' minutes out of the box. Meanwhile, it previously took the Boxer/Pit almost two years to destroy two medium-sized Kong "snowman" shaped toys, and even then he wasn't able to shred them anywhere near to this degree. And believe me, he actually *IS* a true "power" chewer, as after raising and training dogs for over 50 years, I have never seen a dog completely break that type of Kong chew toy.
As an aside, Kong (the company) appears to take crappy product claims only by means of printed hard copy sent via the U.S mail, so no immediate relief for your wasted expenditure on their products will soon be forthcoming. How many modern companies do you know of that don't allow some sort of online contact for product claims, even if it's just an email address? So I might very well have to reconsider whose products I am willing to spend my all-too hard earned money on.
That said, those three dogs are all now outside throwing up chunks of these crappy toys that they swallowed while tearing them to pieces, and which I now find myself hoping really are non-toxic!! The regular "snowman" shaped Kong toys are MUCH more durable than these things are. Had I known that beforehand, I would have spent my money accordingly. The picture I posted is the last remaining toy out of the four I ordered, and I most certainly want my money back (wish me luck)!! This toy is a complete WASTE of your money for any dog that is bigger than an aged chihuahua or that actually has teeth, so I suggest that you DO NOT purchase.
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Reviewed in the United States on November 18, 2024
★★★★★ 5
The same magic as the extreme chewer Kong cone!
Size: Large, Product Packaging: Standard Packaging
My lab hound mix LOVES this tire as much as he loves his extreme chewer Kong cones (we bought three of those!). He hasn't been able to cause any damage at all in the week or so that he's had it. We are always excited to find toys that he can't break! We're ordering a second tire for upstairs!
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Reviewed in the United States on May 1, 2026