Note that the dimensions listed include the frame size – the sleeping area size is considerably smaller than the frame size. We got the Medium size in grey, which is perfect and lets my dog stretch out. The bed was delivered already assembled, and customer service was great. My dog was not used to the height at first, but we put her old mattress on top until she was comfortable. Now she sleeps on the Coolaroo bed without the mattress. So far, I think the bed eases pressure on my dog's joints. It is also easy to clean, and high enough for the robot vac to move underneath.
