The Jax & Bones Napper Bed is incredibly comfortable and provides hours of deep sleep. Outer bolsters unzip for easy maintenance and the center pad is removable for easy washing. This bed is overstuffed and is excellent for senior dogs who need a little extra joint support. This bed features a heavy-weight high pile fleece that is incredibly soft to the touch. This ultra cozy collection provides superior comfort. Durable, easy to wash and vacuum. Perfect for heavy traffic use. Small: 24"X21"X7" Medium: 35"X27"X9" Large: 40"X32"X12" Extra Large: 50"X42"X15" Recommended sizes for dogs Small: 20 lbs. Medium: 40 lbs. Large: 75 lbs. Extra Large: 100 lbs.