I spent considerable time trying to decide which size to order for an 18m golden retriever. I did some measuring and ended up ordering a large. As soon as I took it out of the box I knew it was too small. I exchanged it for an XL. I was initially concerned that the XL would look massive in my kitchen. But, it looks just perfect. Our dog loves it. He even likes to hide his toys under the center pillow. We've washed it once so far and it came out looking like new. The red is awesome!