SKU: 39816377258
cybex sirona rotate

cybex sirona rotate CYBEX Sirona G3 i-Size Rotating Toddler Car Seat

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Description

cybex sirona rotate CYBEX Sirona G3 i-Size Rotating Toddler Car SeatCYBEX Sirona G3 i Size 360 Rotating Toddler Car Seat Rear Facing to 4 Years The CYBEX Sirona G3 i Size is a 360 rotating toddler car seat designed to keep children travelling rear facing from approximately three months up to four years old, and from birth with the optional double newborn inlay accessory (sold separately). Certified to UN R129 04 and holding both an AGR back health seal and a Red Dot Award, the Sirona G3 combines proven safety

CYBEX Sirona G3 i-Size 360° Rotating Toddler Car Seat - Rear-Facing to 4 Years

The CYBEX Sirona G3 i-Size is a 360° rotating toddler car seat designed to keep children travelling rear-facing - from approximately three months up to four years old, and from birth with the optional double newborn inlay accessory (sold separately). Certified to UN R129/04 and holding both an AGR back health seal and a Red Dot Award, the Sirona G3 combines proven safety engineering with the kind of everyday practicality that makes a genuine difference across thousands of car journeys.

Up to 50% Higher Safety Levels Rear-Facing

The Sirona G3 is built around a straightforward but important principle: rear-facing travel is significantly safer for children than forward-facing. In a frontal collision - by far the most common type - a rear-facing seat's padded shell absorbs and distributes impact force across the child's back, shoulders, and head, rather than placing that force through the harness straps alone. CYBEX's internal testing shows that the Sirona G3 used rear-facing delivers up to 50% better protection compared to a conventional forward-facing seat. UN R129/04 (i-Size) regulations require all children to travel rear-facing until at least 15 months, and we strongly recommend continuing in the rear-facing position for as long as the seat allows - up to 105 cm in height, or approximately four years old.

360° Rotation for Effortless Boarding

One of the most challenging aspects of daily travel with a toddler is getting them settled in their seat without awkward lifting, twisting, or straining your back across the car door frame. The Sirona G3's 360° rotation resolves this directly. Rotate the seat to face the door, secure your child in comfort, then swing the seat back into the travel position. The rotation works in all recline positions, so you never need to adjust the recline angle before you can rotate - particularly useful when you have a sleeping child to move. The same smooth process applies when you arrive at your destination.

Advanced Linear Side-Impact Protection (L.S.P.) - 25% More Protection

The Sirona G3 features CYBEX's Advanced L.S.P. System, which deploys automatically when you first take the seat out of its packaging - no setup required. The energy-absorbing wings combined with a specially designed headrest reduce the force of a side collision by approximately 25% compared to the same seat without L.S.P. (based on internal testing). If space is limited - for example when fitting three seats across a rear bench - the inner L.S.P. wing can be folded away, though CYBEX recommends always keeping the door-side wing extended for maximum protection.

AGR-Certified Ergonomic Comfort

Holding the AGR Seal of Approval from Germany's independent back health organisation, the Sirona G3 is designed to support healthy posture throughout your child's development. The M-position keeps legs and hips correctly supported, aiding hip joint development over the months and years of use. A height-adjustable headrest grows with your child, and five recline levels - available in both rear-facing and forward-facing orientations - mean you can always find a comfortable, well-supported position whether your child is awake and alert or napping mid-journey.

Practical Details That Make a Difference

Belt holders keep the harness straps neatly out of the way when you're settling your child into the seat - a small detail that significantly reduces the fuss of getting a wriggly toddler buckled in. All-round ventilation keeps the seat environment comfortable across longer journeys and warmer days, with Plus Line versions adding a premium mesh fabric six times more breathable than conventional cover materials.

Part of the CYBEX G3 Modular System

The Sirona G3 is part of the CYBEX Modular G3 family, and fits onto the same CYBEX Base G3 as the CYBEX Cloud G3 infant car seat. If you started with the Cloud G3 from birth, transitioning to the Sirona G3 requires no new base purchase - it clicks onto the existing Base G3 in a single step, supported by ISOFIX connectors and a load leg for a stable, secure fit. Together, the three products form a complete birth-to-four-years solution; you can find the full set in our CYBEX G-Line Car Seat Bundle.

Please note: the Sirona G3 requires the Base G3 for installation in all vehicles. Unlike the Cloud G3, it cannot be secured using a vehicle seatbelt alone. Always verify compatibility using CYBEX's Car Compatibility Checker before purchase.

Visit our Dunfermline showroom to see the full CYBEX G3 Modular System in person, or browse our complete CYBEX car seats collection online.

Cybex Sirona G3 Specifications

Specification Detail
Standard UN R129/04 (i-Size)
Age range From approx. 3 months to 4 years
Age range with newborn inlay From birth (inlay sold separately)
Child height 61–105 cm
Child height with newborn inlay From 40 cm
Child weight Max. 19 kg
Seat weight 6 kg
Weight with Base G3 13 kg
Dimensions L 710 mm / W 440 mm / H 750 mm
Packaging dimensions L 71 cm / W 46 cm / H 38 cm
Gross packaged weight 8.1 kg
Net weight 6.4 kg
Recline positions 5 (rear-facing and forward-facing)
Side-impact protection Advanced L.S.P. — approx. 25% reduction vs. same seat without L.S.P.*
Rear-facing safety improvement Up to 50% vs. conventional forward-facing seat*
Installation ISOFIX + load leg via Base G3 (required; sold separately)
Belt-only installation Not available — base required in all positions
Forward-facing Permitted from 15 months and min. 76 cm
Aircraft approved No
Compatible base CYBEX Base G3 / Base G
Compatible infant seat (same base) CYBEX Cloud G3
Fabric care Machine washable at 30°C

*Based on CYBEX internal testing.

What's in the Box

  • CYBEX Sirona G3 toddler car seat
  • User guide

Base G3 and double newborn inlay accessory sold separately.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 39816377258

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4.1 ★★★★★
Based on 1838 reviews
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Product Reviews
A
Amazon Customer
Houston, US
★★★★★ 5
Versatile Room Divider With Easy Assembly and Strong Coverage
Size: 3 Panel 12FT W
I picked up this Siebwin 3-panel folding room divider mainly for privacy and room separation, and overall it works very well. Assembly is very straightforward, and the divider can be set up, taken apart, and stored without much effort. The fabric quality feels good, and the frame construction is stronger and more stable than expected. The support tubes especially feel well built and help keep the divider standing securely. One feature I really liked is the flexibility of the design. The panels can be used together as a complete divider or separated depending on the setup and available space. That makes it much more versatile for different room layouts or temporary privacy needs. The coverage is also very good, and the size matches the manufacturer’s description accurately. The fabric blocks light and background visibility well enough to provide solid privacy without feeling overly heavy. The wider feet also help improve stability compared to thinner folding dividers. Another positive detail is that everything arrived complete with no missing parts or damaged pieces, which made assembly much easier and faster. Compared to cheaper privacy screens, this one feels more durable and easier to customize depending on the situation. In terms of value for the money, it feels like a very practical and worthwhile purchase considering the size, flexibility, and build quality. Overall, a versatile and well-built room divider with easy assembly, strong privacy coverage, stable construction, complete included parts, flexible panel configuration, and excellent everyday functionality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
F
Fred
West Palm Beach, US
★★★★★ 5
Stable, flexible in deployment configuration, creates true privacy and looks great.
Size: 3 Panel 12FT W
This is the second room divider panel I have installed, and there are several features about this one that I like much better than my older one. The fact that there are no gaps and that the material is thicker means you get more privacy or more hiding power, if you wish. My older divider has vertical spaces between each of the panels and the panels are half as wide as the Siebwin panels, so there are many vertical spaces. The Siebwin divider really creates privacy. Another feature that I really appreciate is that the legs are wider and stand off from the floor. On my older one the legs are flat and they're rather awkward to adjust because they create more drag on the floor. The feet on the older one also loosen if you turn them counter clockwise, so adjustments of configuration that require the feet to be moved are more complex. The older divider also must be deployed in a zig-zag fashion because he feet are not as wide, but this new one can be deployed and stable in a straight, an "N" shape or an arc. They are both the same length, but because the older one must be use in a zig-zag deployment it doesn't reach to the length of the new one. The Siebwin divider definitely costs more at $103.48, but it sports several features and advantages over the other brand, so it does a better job and is worth the extra cost.
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Reviewed in the United States on May 25, 2026
C
Computer
Alexandria, US
★★★★★ 4
Easy to assemble, does the job, material is shiny nylon and shows creases, minor defects, sloppy
Size: 3 Panel 12FT W, Size: 3 Panel 12FT W
The Siebwin room divider is a good idea, and for the price, it mostly delivers on the intended functionality. I ordered the 12 foot, 3-panel version mainly to hide an unfinished basement storage area that had become an eyesore. It works well for that purpose and gives the space a cleaner appearance without spending the kind of money that more decorative dividers or custom partitions cost. If you need something temporary, portable, or mainly functional, this is a viable option. There are a few limitations that became obvious during setup and use. The first thing I noticed was that the weld quality on some of the metal poles is fairly sloppy. Once the cover is installed, you do not really see it, but up close, it does not look especially refined or professional. The blackout material also is not a matte canvas style fabric as I expected. It has more of a shiny nylon appearance, and the creases are fairly visible. Being that it’s more of a nylon, I’d be hesitant to try steaming it to remove the creases. However, the creases do not matter if you are using it in a basement, dorm, or shared room, but for photography, video work, or a professional office setting, the appearance could be disappointing. The fabric is thick enough, though. It blocks visibility well enough, but strong light behind it still shows through to some extent, nothing deal-breaking. Also, my fabric appeared to be slightly defective. The hook and loop strip on one of the bottom sections was off-center and couldn't be totally attached because it was lined up with one of the legs. I originally hoped to use this as a video backdrop, but I will probably end up replacing the fabric with a proper green screen or canvas material while continuing to use the frame itself. For now, it does a good job of covering my basement junk. Assembly was actually easier than I expected and took roughly 15 to 20 minutes. The longer vertical poles are tethered together similarly to tent poles, which made setup straightforward and fairly intuitive. The shorter horizontal pieces slide and snap together to the top and bottom of the vertical assembly. After each section is assembled, the divider panels connect together with metal plates and two knurled screws (at the top and bottom), so no tools are really required. A few screws were difficult to start because paint had gotten into the threads, but once they caught, they tightened down normally. The feet install with similar knurled fasteners and help keep the divider reasonably stable. One thing to watch for during setup is the fabric orientation. There is one arrow indicator in the middle of the fabric to indicate up. However, if you need another indicator, the smaller hook and loop strip goes on the bottom while the longer strip goes on top. I realized mine was upside down right before finishing and had to redo it. I wasn't difficult to redo, despite the defect in mine. The overall design is practical and easy to move around. I do like that the panels can fold and bend into different shapes depending on the space. The widened feet help stability, although when trying to stretch the fabric tight, I noticed the poles sometimes wanted to overlap slightly at the joints. Tightening everything helped somewhat, but it still happened occasionally. The divider feels adequate for normal indoor use, though I would not expect premium durability or luxury-level fit and finish at this price point. The entire device can also be easily disabled and stored in a tote if you need it completely out of the way. It comes with assembly instructions, but even if you didn’t have them, it’s easy to build without them (save a mistake or two). In terms of value, I think the Siebwin divider mostly matches its price. Around $100 gets you a large freestanding partition with decent usability and easy assembly, but there are compromises in materials, appearance, and refinement. The defects are also off-putting, but hopefully you won't have them. Higher-end room dividers can easily cost two or three times more, so some of the tradeoffs are expected. I also noticed cheaper alternatives online, but based on the quality here, I suspect those would probably have even more issues. For practical home use, temporary privacy, hiding storage areas, or separating shared spaces, this is a good option as long as expectations stay realistic.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
T
Trendy Tales
San Leandro, US
★★★★★ 3
Works well but takes up more space than expected
Size: 2 Panel 8FT W, Size: 2 Panel 8FT W
This room divider does the job for creating a little extra privacy and was easy enough to set up. The panels feel decent quality and the wider feet help keep it more stable than some cheaper screens I’ve tried. My only issue is that it takes up a bit more room than I expected, especially with the feet sticking out. It’s still portable and folds away nicely, but definitely measure your space first. Overall it works well for separating a room or blocking off an area temporarily. i wish it came in other colors
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
K
Katrina Rhodes
Charlottesville, US
★★★★★ 5
Nice divider, serves it's purpose well!
Size: 3 Panel 12FT W
This room divider worked out very well for what I needed. I wanted a simple way to create a little more privacy and separation in a larger room without doing anything permanent, and this divider was an easy solution. The panels provide good coverage, and the black color gives it a clean, modern appearance that blends in nicely with different décor styles. Assembly was fairly straightforward, and once set up, the wider feet helped keep the divider stable on the floor. I was especially happy with how flexible the panels are to arrange. You can keep it mostly straight, angle it around furniture, or create a more enclosed private space depending on the layout you need. The material allows light to filter through slightly while still offering a noticeable sense of privacy. I’ve used it for separating a workspace area, but it would also work well in bedrooms, apartments, dorms, studios, or shared living spaces. Another plus is that it can be folded and moved without too much effort when you want to change the setup. Overall, this divider delivers a good balance of functionality, portability, and appearance. It’s a practical option for anyone needing temporary room separation without installing permanent walls or curtains.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026

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