ROYL Harness-to-Booster Car Seat | Nuna
The Nuna ROYL converts from a forward-facing harnessed seat to a high-back booster as the child grows.
At a glance
- Harness mode: age 2+, 13.6–29.4 kg (30–65 lb), maximum height 124.4 cm (49 in.).
- Lower UAS anchor limit: 18 kg (40 lb); top tether required in harness mode.
- Booster mode: age 4+, 18–54.4 kg (40–120 lb), 96–144.8 cm (38–57 in.).
A closer look
The limits below apply to the Canadian version. Consult both the car-seat and vehicle manuals and meet all age, weight, height and fit requirements.
Fit and everyday use
Harness mode: age 2+, 13.6–29.4 kg (30–65 lb), maximum height 124.4 cm (49 in.). Lower UAS anchor limit: 18 kg (40 lb); top tether required in harness mode.
The details, clearly
| Detail | Information |
|---|---|
| Product | ROYL Harness-to-Booster Car Seat | Nuna |
| References | EL CS09304CV. |
| Harness mode | age 2+, 13.6–29.4 kg (30–65 lb), maximum height 124.4 cm (49 in.). |
| Lower UAS anchor limit | 18 kg (40 lb); top tether required in harness mode. |
| Booster mode | age 4+, 18–54.4 kg (40–120 lb), 96–144.8 cm (38–57 in.). |
| Adjustment | Eight headrest heights and four recline positions. |
| Detail | True Tension door and two cup holders. |
Frequently asked questions
Can it be used rear-facing?
No. ROYL is a forward-facing seat that converts to a booster.
When is belt installation required in harness mode?
Use it above the lower-anchor limit, always with the top tether in harness mode.

