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Description
cybex sirona s car seat installation 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
4.1 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
David's premium bamboo soft bristle toothbrush
I'm trying to live a healthier life, and one thing I'm doing is to reduce my consumption of plastics. In the past, I've brushed my teeth with either regular hand held and electric plastic toothbrushes. In an article concerning reducing plastic consumption, David's premium bamboo soft bristle toothbrush was recommended. David's toothpaste is great, don't believe me, read the label and compare the ingredients to other brands, and David's toothpaste does not come in a plastic tube. David's premium bamboo soft bristle toothbrush feels different from other toothbrushes. The bamboo toothbrush handle feels light and smooth, and the toothbrush bristles are not stiff and harsh, but soft and soothing, perfect for brushing my teeth and messaging my gums. I've been using the toothbrush for a few months now and I have to admit it is the best toothbrush ever!
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Eco-Friendly, Comfortable, and High Quality
I was looking for a sustainable alternative to plastic toothbrushes, and David’s Premium Bamboo Toothbrush absolutely delivers. It's a perfect mix of eco-conscious design and great performance.
✅ Quality: The bamboo handle is smooth, lightweight, and easy to grip — no splintering or rough edges. The bristles are soft yet effective, making them gentle on gums but still great at cleaning.
🌱 Eco-Friendly: Love that it’s biodegradable and made from responsibly sourced bamboo. It feels good knowing I’m reducing plastic waste without sacrificing dental care quality.
💰 Value: For a premium eco-toothbrush, the price is very reasonable. You’re getting a product that looks and feels high-end while supporting sustainable practices.
Highly recommend for anyone looking to make simple, environmentally friendly swaps in their daily routine without compromising on comfort or effectiveness.
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Reviewed in the United States on August 7, 2025
★★★★★ 5
An Excellent Toothbrush that's Good for Your Mouth and the Environment
Mindful of plastic's impact on the environment, I've tried many alternative toothbrushes. Davids Premium Soft Bristle Toothbrush is by far the best. The handle is engineered so that it's comfortable to use, and the bristles really are soft and well made. I have never once experienced even one bristle coming loose and ending up where it shouldn't be in my mouth. That happened with other brands. So now, I won't buy any others besides Davids.
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Reviewed in the United States on March 15, 2026
★★★★★ 4
Texture
Very nice, but not as soft as I’d like.
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Reviewed in the United States on November 13, 2025
★★★★★ 5
Best non-toxic toothbrushes
Started our non-toxic journey and had to get these! They’re perfect! The heads are a little bit bigger than a regular toothbrush but other than that the bristles and soft and this is a perfect non-toxic toothbrush!
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Reviewed in the United States on April 24, 2026