I have only had the Snow box for a couple weeks now. It took about a week to get my cat used to it. I spent a couple days with the bonnet off, then put it back but taped the cloth drape open, and finally restored it to fully-assembled. He loves it and is very comfortable with its use (in fact, the app, which apparently has a sense of humor, has accused Gryphon of taking naps in there).
Maintenance and cleaning are easy, the app is intuitive and helpful, and overall, I am extremely happy with...