Baboo
Britax Römer · Car Seats
Britax Römer KIDFIX i-SIZE (3.5-12y)
★★★★★ 5.0 · 3 reviews
€219.00
€251.99
In stock
incl. VAT · 🚚 free delivery over €49.00 to Germany · 2–4 business days · delivery info
The KIDFIX i-SIZE is a comfortable, i‑Size certified high-back booster designed for children from approximately 3.5 to 12 years. It combines side-impact protection, an adjustable headrest and a belt-guidance system to help position the adult 3-point belt correctly for growing children. Easy-to-clean covers and compact dimensions make it a practical choice for busy parents and multi-car households. Secure installation with ISOFIX connectors keeps the seat stable when not in use.
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Free delivery over €49.00Germany · 2–4 business days
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30-day free returnsUnused items, full refund
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2-year guaranteeOfficial brand warranty
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Secure checkoutEU safety-tested products
Specifications
| Material | Breathable fabric cover (removable & machine washable), EPS foam |
| Age Range | Approx. 3.5–12 years (100–150 cm) |
| Weight | 6.5 kg |
| Dimensions (HxWxD) | 64 x 45 x 44 cm |
| Certification | i‑Size (UN R129) |
| Installation | ISOFIX connectors + adult 3-point seat belt |
| Max Child Height | 150 cm |
| Headrest Positions | 11-position adjustable headrest |
| Side Impact Protection | Integrated SICT protection |
| Brand | Britax Römer |
| SKU | 158 |
Reviews
5.0
★★★★★
based on 3 reviewsEmma S.✓ Verified purchase2026-06-24
★★★★★
Bought this for my 4-year-old and already love it. Headrest adjustments are great as she grows and the side protection feels reassuring. Easy to clean after messy snacks.
Leon M.✓ Verified purchase2026-05-29
★★★★★
Solid seat, fits well in our VW Golf. My son (6) finds it comfortable on longer drives. Installation with ISOFIX was quick.
Lars T.✓ Verified purchase2026-04-15
★★★★★
Excellent build quality and nice adjustable headrest. Daughter (7) says it's much comfier than her old booster.
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