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Description
cybex sirona convertible car seat 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
4.7 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Has the chihuahua puppy seal of approval!
Size: X-Small, Color: Fox, Size: X-Small, Color: Fox
I bought this for my chihuahua puppy who was already a fan of the waffle toy made by this company. Compared to that one, this one is more plush, has a different squeaker sound, and isn't quite as firm overall. It's a really cute toy and she enjoys playing with it. So far it has held up really well to her tiny shark teeth. The material seems both soft and durable. Great for toy and small breed dogs and puppies.
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Reviewed in the United States on June 9, 2026
★★★★★ 4
Great size
Size: X-Small, Color: Pig
These are the perfect size for my small and medium size dogs. Plus they hold up very well. The squeaker popped within the first couple of days but they still love it.
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Reviewed in the United States on May 24, 2026
★★★★★ 3
A "Maybe" for smaller breeds. Not for pitties that study and exploit their prey's weaknesses..
Size: X-Small, Color: Fox, Size: X-Small, Color: Fox
Not for my pittie. I wasn't paying attention to the size of the toy when I ordered it. I knew as soon as I opened the box that it wasn't going to work out, but I didn't pay too much more than I would have if I bought it from Ross and I didn't want to fuss with trying to return it.
The weakness in the toy is in the faux fur fabric that forms the main pocket. There's too much space around the squeaker and the fabric is thin enough for a larger breed to puncture through the fabric with their teeth to grip and rip. Once there's an opening in the main fabric, it's game over.
The seams of the toy are good, they are strong and well stitched.
The overall shape of the toy is also good- no appendages to grab ahold of. Only flaws of the toy is the type of fabric selected and too much empty space. May last for toy breeds and small breeds...but not for my pittie. She played with it for 5 minutes to learn its weaknesses and then promptly gutted the squeaker from the fox in another 5 minutes.
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Reviewed in the United States on October 1, 2025
★★★★★ 5
Great buy would buy again
Size: X-Small, Color: Owl
Very durable dog toy. Lasted longer than any other toy with a squeaker for my wiener dog. Great squeak ability. Cute as can be.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Holds up well with aggressive chewers.
Size: X-Small, Color: Pig
This is my dog's favorite toy. And she has LOTS of toys so that is big endorsement. Miss Trina ( 40 pound boxer) loves to squeak it in Enzo's ( big brother 140 pound Cane Corso) face when he is sleeping. They also play tug of war . They destroy the toy eventually ( we are on the third one) but it holds for a few weeks. Miss Trina also likes to par corps around the house with this toy. Her favorite way to use this toy is bring it my husband for him to throw it . If he is napping she just drops in on his face. Definately recommend this toy.
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Reviewed in the United States on May 17, 2026
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