SizeS 16inch for pet up to 5lb, M (19.7 x 19.7 x 7.9 inch)-best for pets up to 4kg/9 lb. L (23.6 x 23.6 x 7.9 inch)-best for pets up to 9kg/20 lb. Please measure your pet before placing the order. Our pet bed is perfect for most small pets.Warm and ComfortableSuper soft 4cm long plush surface and full pp cotton inside, And with oxford non-slip bottom,non-toxic, environmentally friendly and mold proof, provides your lovely friends a cozy, warm and comfortable place to stay, especially in winter.Support for Better SleepThe round donuts shape and 7.9'' high of the cozy bed will make your cat and dog be surrounded well by security and warmth. make your pet can curl up, provide head and neck support to relieve pet's anxiety, let pets feel more secure.Non-slip BottomOur orthopedic cat and dog bed have oxford non-slip bottom to provide desired stability, keeps the bed in place, and it's waterproof , so you can put the cat cushion bed anywhere you want. perfect for your small, medium, large cat and dog.Maintenance AdviceEvery bed is safe in the washing machine and dryer (Machine wash, Cold water, Gentle cycle, Tumble dry, Low heat). It takes two hours to shake it by hand to make it as fluffy as the picture and takes about a day to be completely fluffy in nature state.