trunki suitcase

Hi,
Just wanting to hear form people who have a used a trunki suitcase if they did find it useful? and what it was like in hand luggage area? DS will be 20months do you think that will be too young??
we are going to rarotonga from nelson so we are stopping at akland on the way there.

Thanks

My 2 year old DD has one and it is quite handy. She will sit on it but only wheels it around when it suits her! So I have had to carry it for her quite often. Because it is a hard shell and quite thick it fits a lot in it so that is a plus, but the minus is that it doesn't really go in under the seat in front very well and a lot of hosties will make you put it in the overhead locker. So you have to lift it up and down a bit.

But it's super cute to look at, and bright pink so hard to loose.