The Jax and Bones Napper Bed is the perfect fit for a King or a Queen. Incredibly comfortable, the napper bed design provides hours of deep sleep. Outer bolsters unzip for easy maintenance and the center pad is removable for easy washing, just pop in the washing machine and tumble dry low. Napper Beds are overstuffed and excellent for senior dogs needing extra joint support or any dog requiring superior comfort. Napper Beds in the Monaco Collection are machine washable and luxurious to the touch. Great for medium to high traffic use and homes that want a more unique design. Machine washable cover and middle tufted bolster, low heat tumble recommended. Machine wash cover and middle pillow on cold, tumble dry low. 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.