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Description
sensorsafe cybex 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
4.9 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Love the scent
Scent: Tropical Breeze
This sunscreen has such a great scent and is easy to apply with no white cast. Skin doesn't feel clogged or sweaty. Easy to apply and distribute.
Like that it's a zinc oxide sunscreen that is doesn't leave a white cast and has a wonderful tropical scent. Wish it came in SPF 50 or higher.
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Reviewed in the United States on May 28, 2026
★★★★★ 4
ACTUALLY unscented! Finally!
Scent: Unscented
I have been on a personal mission to find a truly unscented sunscreen, as I have extremely sensitive skin and medical conditions that cause me to have skin reactions to fragrance. I have tested out 10+ different sunscreens and even in those that do not list a fragrance, can still have a strong smell or scent due to one or more of their ingredients. This sunscreen truly is UNSCENTED. I was even able to use it on my face today, which until now I have been able to do successfully with only one other sunscreen.
I have yet to try out this sunscreen in direct sunlight for a prolonged period of time, so I cannot speak for how effective the SPF 30 is for activities out in the sun, but I was able to comfortably wear it for walking my dog for 20 or so minutes while wearing a sun hat, which is normal use for me when it comes to sunscreen.
I will come back and update this review if anything changes as far as sun sensitivity or if any burning takes place.
Now for the cons: it felt a bit heavy or "stifley" on my face, but I have sensory processing issues so I'm sensitive, and there was pilling on my face hours later.
So far I would recommend this sunscreen and am stoked to have discovered it. It is my current go-to for my body sunscreen, and haruhara wonder black rice SPF 50 velvet finish sunscreen is my go-to for face sunscreen
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Reviewed in the United States on March 2, 2026
★★★★★ 5
Stunning daily SPF
Scent: Unscented
Hands down the best daily SPF I've ever used. It's not sweat/water resistant, so not great for outdoors, but for a daily moisturizing SPF lotion? 10/10. Minimal white cast, but it's a mineral SPF, so not zero cast. Not irritating at all, no hidden chemical boosters, no eye sting, does not cause my eczema to act up, and extremely moisturizing. Most mineral spfs leave me like a corn husk, but this one actually improves my skin's hydration. I wish I could give this more stars.
My only criticism is the brand's use of "clean" marketing language. This isn't a real term, it's just a marketing strategy.
The product itself though? Stunning.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Solid sunscreen, yummy scent!
Scent: Pear & Coconut Water
Easy to apply, blends in smooth with skin, and smells yummy! It worked well in the strong sun of Punta Cana, plus it's better for your skin than most sunscreens out there.
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Reviewed in the United States on May 4, 2026
★★★★★ 5
It’s nice, and it works!
Size: Pack of 1
This is a great product. It’s smooth and soothing - great for chapped lips. The flavor is nice too. Best of all, it works! My lips are prone to getting freckles, and I’m not getting any since I started using this. I recommend this, and the sunscreen by the same company. I use SPF 50 for sensitive skin.
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Reviewed in the United States on June 5, 2026