BRITAX RÖMER Baby-Safe 3 i-Size + Dualfix 3 i-Size Car Seat Set with Flex Base 5Z, Space Black












BRITAX RÖMER Baby-Safe 3 i-Size + Dualfix 3 i-Size Car Seat Set with Flex Base 5Z, Space Black

Ergonomics and safety from day one
Baby-Safe 3 i-Size provides a patented ergonomic lie-flat position, rear-facing travel, and aircraft approval. Its lightweight design (4.6 kg) and compatibility with strollers using Maxi-Cosi attachments make everyday travel easier.

Easy ISOFIX installation with 360° rotation
The Flex Base 5Z with ISOFIX and a support leg ensures a stable fit, multiple recline positions, and a clever 360° rotating mechanism for comfortably seating your child without straining your back.

Grows with your child up to 4 years
Dualfix 3 i-Size offers rear-facing travel from 61–105 cm and forward-facing from 76–105 cm. With SICT Inside, Pivot Link, a 5-point harness with anti-slip pads, 6 recline positions, and an adjustable headrest, it combines comfort and protection.
Looking for a safe and comfortable solution from birth up to around 4 years? This premium BRITAX RÖMER set combines the Baby-Safe 3 i-Size infant carrier (0–15 months/80 cm), the Dualfix 3 i-Size follow-up seat (61–105 cm), and the Flex Base 5Z with ISOFIX. You get a smooth transition between sizes, maximum impact protection, and easy everyday handling.
Baby-Safe 3 i-Size offers a patented ergonomic lie-flat position and aircraft approval, while Dualfix 3 i-Size adds 360° rotation, SICT Inside, and Pivot Link for top-class safety. The Flex Base 5Z provides stability thanks to the support leg, multiple recline positions, and clear safety indicators for correct installation.
Key benefits:
- From birth to 4 years with a single base
- Fast ISOFIX and Click & Go installation
- Rotating base for easy seating rear- and forward-facing
- Easily removable, machine-washable covers (30 °C)
- High-quality workmanship made in Germany
Specifications
- Model
- BRITAX RÖMER Baby-Safe 3 i-Size + Dualfix 3 i-Size + Flex Base 5Z
- Color
- Space Black
- Standard
- i-Size
- Set usage
- From birth to approx. 4 years (with progressive transition between seats)
- Baby-Safe 3 i-Size – orientation
- Rear-facing 40–83 cm
- Baby-Safe 3 i-Size – dimensions (H × W × D)
- 58 × 44 × 67 cm
- Baby-Safe 3 i-Size – weight
- 4.6 kg
- Baby-Safe 3 i-Size – key features
- Patented ergonomic lie-flat position, aircraft approved, covers washable at 30 °C, compatibility with strollers using Maxi-Cosi attachments, made in Germany
- Dualfix 3 i-Size – orientation
- Rear-facing 61–105 cm, forward-facing 76–105 cm
- Dualfix 3 i-Size – dimensions (H × W × D)
- 59.4 × 44 × 46.5 cm
- Dualfix 3 i-Size – weight
- 5.2 kg
- Dualfix 3 i-Size – key features
- SICT Inside, Pivot Link, 5-point harness with anti-slip treatment, 6 recline positions (with 360° base), adjustable headrest, extendable legroom, removable covers (30 °C)
- Flex Base 5Z – attachment type
- ISOFIX with support leg
- Flex Base 5Z – functions
- 360° rotating mechanism, Click & Go, multiple recline positions, adjustable rebound bar, safety indicators for correct installation, compact folding
- Flex Base 5Z – dimensions (H × W × D)
- 43.5 × 44 × 66 cm
- Flex Base 5Z – weight
- 9.5 kg