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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
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Description
cybex sirona s newborn insert weight limit 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
4.4 ★★★★★
Based on 265 reviews
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Product Reviews
★★★★★ 5
Awesome gift
Color: 6 Pack Spiky Ball
I have a medium dog - 17lb. He loves these--chasing and bitting them. They are reliable and he truely enjoys them daily! They aren't undistructible but extremely reliable and safe. I have bought them to use on trips. Squeeker are good & make it a real treat for the dog,
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Reviewed in the United States on February 14, 2026
★★★★★ 5
Best of Both Worlds: Plush + Squeaky Ball
Our boy loves plush toys and he loves squeaky balls, so combining the two makes this the perfect toy for him. He enjoys making the ball squeak and carrying it around by the soft plush heads, which is honestly adorable to watch.
These toys work great for both our small boys and our big boy, making them a nice option for multi-dog homes. Fun, cute, and keeps everyone entertained — a big win in our house!
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Reviewed in the United States on January 20, 2026
★★★★★ 4
Nice toy for dogs but my dog didn't like it
Color: 3 Pack Spiky Balls
It appears quite appealing with its varied colors. My only concern is that my dog did not seem to enjoy it, as it frequently slipped from its mouth when attempting to carry it during play time. While it is soft, but it is not as pliable as some of the other squeaky toys my dog has owned. I think because of the spikes stlyle. This might be an excellent choice for highly active and young dogs. My dog is older and tends to be quite particular about toys.
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Reviewed in the United States on December 31, 2025
★★★★★ 5
Loves the ball inside the toy
My dogs love these toys, they especially like when they tear the toy open and they get the ball that’s inside the red sack. They carry the red Sox in that ball around for days before actually tearing the ball out of the sack. If you sold the balls inside the red Sacks, I would buy them. I don’t know why they love it so much but they do all three of my dogs. These are the best priced and best dog toys I have found.
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Reviewed in the United States on February 5, 2026
★★★★★ 3
Good news and bad news
Color: Multi-colored
My Westie LOVES these toys. She is obsessed. You need to know, going in, that the squeakers last about 15 minutes and then they are dead. Out of a dozen of these toys, it's happened every time. That's the bad news. The good news is that the toys are light weight and durable enough to endure tug of war. You can toss them in the house with little fear of breaking anything they might hit. The little rubber nubs seem to encourage chewing and our vet says that my dog has beautiful teeth because these toys act as a toothbrush for her. I would say most terriers are active and heavy chewers and so far none of these toys have been destroyed by her chewing. So if your dog will continue to play fetch even though the (beloved) squeaker is dead, these are great toys. Look for the multi packs like this one. The individually sold toys are much more expensive per unit than buying a bag of toys like this offering and the toys are exactly the same.
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Reviewed in the United States on November 12, 2021