I was slightly alarmed when I first saw this, mainly because I had no clue to what it was, and maybe I'm still getting used to it, but I think I mostly like it. It's certainly better than the pet-store alternative. "...the rough exterior texture functions to sharpen claws or scratch away itches while the dark interior is a cat hideaway and storage spot. The 1- to 3.5" peepholes provide provocative and interactive entertainment for both owners and animals." "Provocative." Indeed. Laser-cut cardboard.