COMFY & WARM: This dog donut beds surface is made of plush, smooth seams with superb sewing and inner filled with PP cotton, soft warm and comfortable, no-odor and friendly to pet skin. Pets sleep in this fluffy dog bed, just like lying on a marshmallow. Let your pets sleep more comfortable and warmer in winter. SLEEP BETTER: The dog calming bed has a round doughnut shape, the raised edges around create a sense of security and provide head neck support like pillow, and the ultra-soft filler relieves joint and muscle pain, which helps dogs and cats relieve from anxiety and have a deep sleep at ease. SIZE CHIOCE: M-Outer dia. 50cm/19.7in, Inner dia. 25cm/9.8 in, fits for pets under 5kg/11lb. Our pet bed suits for most small and medium-sized dogs and cats, rabbits or other animals, not recommend for large pets or animals with strong chewing. NO-SLIP & EASY TO CLEAN: The bottom of fluffy plush cat nest Bed is Oxford cloth, non-slip and moisture-proof, you can put it anywhere you want. The donut dog bed is also machine washable. But to keep it fluffy, it is best to wash it by hand. Otherwise, it takes long time to shake it by hand to make it as fluffy as the picture.