Approximate diameter of the pet bed is 22 inches. Arm knitted from natural wool. This chunky knitted bed is beautiful, modern and which is most important - very soft and cozy, your pet will definitely love it! This could be and exceptional gift for your pet or friend's dog. It's hypoallergenic and antibacterial, breathable and temperature regulating, safe for children and animals. WASHING: It should be washed in a professional dry cleaning service to ensure that it maintains its quality and a long life. Please contact us if you are interested in a color or size not listed. We are happy to work with you on all custom orders!