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Cybex Sirona S/Si i-Size (61–105 cm) – new-generation rotating car seat
The Cybex Sirona S/Si i-Size is a rotating car seat for toddlers from approximately 6 months to 4 years of age (61–105 cm), with improved protection and even easier installation than previous generations.
Why choose the Sirona S/Si?
- 360° rotating mechanism: easy access to your child.
- Improved L.S.P. protection: extra safety in a side impact.
- ISOFIX base with support leg: stable and secure attachment.
- Easy installation: intuitive handling for parents.
- Maximum comfort: adjustable recline and breathable materials.
The Cybex Sirona S/Si i-Size is a reliable choice for safe and comfortable journeys with your toddler.

