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Description
cybex sediste 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:
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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 5 reviews
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Product Reviews
★★★★★ 4
Perfect summer book!
Format: Kindle
Dannie has had her life planned out since she was a little girl. Get into the good school, find the right job, meet the guy, find the perfect job, get engaged, get married, buy the house, and maybe one day, have the kid. So far, everything is going according to her plan. She has made it to the "get engaged" moment and it is perfect. She has the man of her dreams and everything is on track to meet all of her goals. But the night of her engagement, something makes her swerve off course. She dreams a very vivid and real dream that it is 5 years in the future and she is in a different apartment and has a different ring on her finger, and there is a different man in her life. She wakes up suddenly and tries to forget. 4 and a half years go by and Dannie still hasn't set a wedding date...life keeps getting in the way. One night she and her fiance meet her best friend, Bella, for dinner on a double date only to find that her best friend's date is the man she dreamed about. All Dannie can think about why he is in her life and more importantly, how she can change the future. Along the way, Dannie has to learn many hard lessons, including accepting the unexpected.
Told from Dannie's perspective, this fast paced and heart breaking novel, examines love and one's chosen family. The author uses "the dream" to frame the entire story and I loved the feel and rhythm of this book. It feels suspenseful knowing Dannie is on somewhat of a countdown. This isn't a romance book (believe me, not my thing) but it is a love story. It is a rather short novel, which made it a fast read, but I found myself wanting more. I would have liked to have seen a little more plot development before the story's major twist occurred. But overall, I really enjoyed and would recommend to anyone wanting a heartfelt, yet not sappy, summer read.
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Reviewed in the United States on May 19, 2020
★★★★★ 5
amazing!!
Format: Kindle
Full of twists and turns but an amazing story of love and friendship! A must read if you like a little mystery.
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Reviewed in the United States on May 31, 2026
★★★★★ 3
Not what I expected at all
Format: Paperback
Hmmm. So this is a good book. But I’m mad b/c I feel betrayed. The back of the book says it’s about Dannie, and how the night she gets engaged to her longtime boyfriend David, she falls asleep. And then she wakes up and spends one hour 5 years in the future. A different apartment, a different ring, a different man. “It’s a love story, but it is not the one you’re expecting”.
Ok, so spoiler alert. If you’re planning to read the book, maybe you shouldn’t read this review and should just read the book as it’s meant to be read. But I would have liked a warning. This is a story about friendship. Dannie and Bella have been best friends since they were 7. While Dannie is conservative and loves to plan, Bohemian Bella flies by the seat of her pants and goes where the wind takes her. They are so different, but are twin souls. And I think the story of their friendship would have been enough. But instead, I was told it was a love story about a woman and two potential men. And I was definitely not warned that this would be a crying book, but the last 20 pages had me just over misty.
Overall, this was not the book I thought I’d be reading. And while it was good, I feel like I’ve been tricked and I’m mad about it.
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Reviewed in the United States on November 24, 2025
★★★★★ 4
well written
Format: Kindle
I enjoyed reading this story. It kept my attention and I read the book in a couple of days. The end was a bit unexpected, which is a good thing. The story itself was a little slow at times and I didn’t feel that drawn to the characters. I also wish I had known that it would be a bit sad.
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Reviewed in the United States on February 3, 2026
★★★★★ 5
Great Book!
Format: Paperback
I am not a big reader (but I wish I was! Too restless) so when a friend suggested this book to me, I wasnt sure I'd be able to start (or finish it) to my surprise, I loved it and finished it in a weekend. Now I am on to her other books! Great read! (Even for us non readers) :)
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Reviewed in the United States on April 21, 2026