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Description
cybex sirona s i-size 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
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Wonderful product!
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Reviewed in the United States on February 11, 2026
★★★★★ 5
Great quality
absolutely love my Apple Pencil! ✨ The precision is amazing and it makes writing, drawing, and taking notes feel so smooth and natural. It connects instantly to my iPad and the battery life lasts forever. Definitely one of the best accessories I’ve purchased — it makes everything so much easier and more professional. Highly recommend for students, artists, or anyone who loves being organized! 🍎✏️
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Apple Pencil (USB-C): Device Compatibility Check Required
I’m extremely happy with this Apple Pencil! It connected to my iPad quickly and works flawlessly. The writing and drawing experience feels smooth and natural, almost like writing on paper. It’s very responsive with no lag, and the battery life is excellent. Perfect for note-taking, sketching, editing, and everyday productivity. The quality definitely matches the price, and it has made using my iPad so much more convenient. Highly recommend for students, creatives, or anyone wanting to get more out of their iPad.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Perfect if you want to use Procreate
I wasn’t sure if this would work as well as the regular iPencil, because I had read this one doesn’t have features the more expensive one has. And I have to say, whatever those extra features are I’m not missing them! This works great, it’s very accurate, amazing quality. Considering how much I’m using it in Procreate, I would say it’s more than paid for itself! As expensive as it seems, it’s been a great value for the money. It’s easy to use and the design is simple. You just have to remember to occasionally plug it in to charge it- the end slides open, revealing a type-C charger port. But the battery life on it lasts a long time. I’ve used it all day before without it dying on me! That reminds me, I should probably go plug it in now…
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Reviewed in the United States on December 10, 2025