The ramp is pretty good. I got the full size one, honestly because the smaller one wasn't available. It's very sturdy, even at the fullest height. My 17 pound male cat ran right to it and scratched it right away. He uses it every day, just for a few seconds, but at least it's being used! The first time he used it, four claw sheaths came off, so that was a good sign to me. I had originally purchased this for a cat that was getting older, to help him walk up and down from the bed, but he pas...