This might be our saviour (spelling?). We just bought a new litterbox yesterday, it's the same size as the one we have already. And we've haven't managed to found bigger anywhere although we've been driving around Belgium a lot lately. The problem is that Kitty pees on the wall and it goes between the little holes that box has and ends up in the floor , that's no fun. No we have a temporary solution, as we have blocked those holes with ducktape, but it doesn't help, there's still pee on the floor. We might end up trying this if nothing else helps. Thanx for the tip Robyn! Never thought of that myself...