I stumbled upon this while searching for options after moving from a townhouse (with a fenced back yard) to a 14th floor condo. My 8 year old yorkie, Moose, was used to using the bathroom outside. I was worried he wouldn't take to a pad (plus they are really gross). So, I ordered this in hopes it might work. It does!! He loves it!! It took a little bit of training and now he regularly uses it. It's super convenient since it's delivered straight to your door and you swap it out (you just throw out the old one). It's made our lives so much easier since we don't need to stress about when someone will be home or going up and down 14 floors. I would highly recommend it!! My only other recommendation is to do the weekly order. Moose uses it as his main bathroom, so it tends to get a little smelly by the end of the first week.