I conducted what felt like a never-ending high chair search. I had three priorities: 1. Easy to clean, aka no fabric whatsoever; 2. Space-saving, such that I could fold it up or put it away easily; and 3. Dishwasher-safe tray. The Pixi seemed like it met all the criteria, and I'm happy to say it has been true. The seat is VERY easy to clean, it folds up just as small as shown in the photo, and the tray fits in our standard-size dishwasher. It also wipes down quite easily. The tray does seem to require that you tilt it down to get it off, which can be problematic if there is a lot of food on it. We haven't had much of an issue there, though.
I did sacrifice a couple of other things. It would have been nice to have a height-adjustable chair, as we often eat at our counter/island. This one is not, but eating at that level has not been a problem at all. The seat also does not recline, so it's not be suitable for babies who can't sit up yet. For sitting-up babies, it's very secure, and I've never felt any sense of compromised safety. She seems comfortable, too.
I would buy it again.