It’s very sturdy and not too easy to tip over.  The materials are soft but will withstand their nails.  The sisal at the bottom is good and they are always scratching at it.  Both of my cats like the little kitty condo. It’s a good size that accommodates my larger cats.  I like the colors.  Very neutral and goes with everything. My only complaint is the top portion of the tree has some play in it.  I’m able to twist it and I would like it to not do that but that does not interfere with the functionality of the cat tree.