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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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Description
cybex sirona headrest adjustment 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
4.5 ★★★★★
Based on 491 reviews
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Product Reviews
★★★★★ 5
Great for Side Sleepers
Size: Body(Pack of 1), Color: White
This body pillow is super comfy and supportive. I love that the shredded memory foam is adjustable, so I can make it just right for side sleeping. The cover is soft, breathable, and easy to wash. It really helps with shoulder and hip support, great for side sleepers. The quality is awesome and worth the price.
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Reviewed in the United States on February 2, 2026
★★★★★ 5
Adjustable Support for Side Sleeping
Size: Body(Pack of 1), Color: White
The pillow is long and full, filled with shredded memory foam, and the cover feels smooth with a sturdy zipper. When I adjusted the fill, the foam shifted easily and settled without clumping, which made it simple to fine-tune the firmness.
I ordered this pillow for extra joint support. In use, it stayed in place overnight and kept my hips and shoulders better aligned, especially when sleeping on my side. Memory foam naturally contours to pressure, which helps with joint support, but it can also hold a bit of warmth after several hours. The washable cover came off cleanly and went back on without stretching. It performed consistently and felt comfortable for daily sleep, and the adjustable fill and stable support explain the positive overall evaluation. This is a long pillow and takes up a lot of space, but it's comfortable and durable and easy to use. (Review is for HOMELAB Adjustable Shredded Memory Foam Body Pillow, 20x54 Long Pillow for Back)
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Reviewed in the United States on January 24, 2026
★★★★★ 5
Worth every penny
Size: Body Pillow & Pillowcase, Color: White
This thing is awesome. The pillow case is super soft too. You do need to let it unfold and air it out a bit, it’s present but not overwhelming but I think that applies to similar products. I use it when I lounge in bed. I have a king-size bed. I put it under my knees when I lay down and lay back, propped up a bit to watch movies. It’s perfect.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Better than snuggling a spouse.
Size: Body Pillow & Pillowcase, Color: White
This pillow is, can I say, 'dreamy?' It is so cushy and the cover is like buttery soft velvet. I was afraid it would be lumpy with the shredded foam filling, but it's not at all. It holds its shape and ensures a good nights' sleep. One thing, the box it came in said "Feather and Down," which almost made me send it back unopened, thinking they sent the wrong item. The pillow comes shrink-wrapped into an unbelievably small size, so there's little chance of getting it back in the box once opened. It does puff up to full size in just a matter of a couple minutes. Great purchase.
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Reviewed in the United States on February 26, 2026
★★★★★ 5
Amazing pillow
Size: Body Pillow & Pillowcase, Color: White
Love this pillow! Best body pillow ever, and I have had a lot of them!
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Reviewed in the United States on March 9, 2026