Questions about Hyundai Ioniq 5 rear seat comfort for family use

[SK72]

Hi all,
I’m considering the Hyundai Ioniq 5 (Premium trim) and have a few questions for anyone who owns one or has experience with it:
Is the rear seat wide enough to fit two child seats on the outer positions and a slim adult in the middle seat comfortably?
Is the middle seat firm, or is it reasonably comfortable for short/medium trips?
Since the rear seat isn’t raised much, could this make small children feel sick or claustrophobic during longer journeys?
Any feedback would be hugely appreciated! Thanks in advance.

I've sat between two kids seats in the back and I'm quite wide through the hips. It wasn't the most comfortable for a 40 minute journey but doable even though the kids seats are still the bulkier baby ones. If you had slimmer booster seat style it would be absolutely fine.

No car sickness for either of my two.