Imitation Lambswool Slumber Ball 32" dia Soft, thick berber is warm and snuggly. Cedar chips keep bed fresh-smelling MiracleLoft high-loft polyfil (made from recycled soda bottles)Value-priced Slumber ball is incredibly comfortable. Top quality berber fleece wicks away moisture. Machine wash warm, tumble dry low. Cover is not removable. Imitation Lambswool. How to Measure Your Pet for a Slumber Nest: First measure the area covered while your pet is lying down, then add 7". Or view our handy breed size chart here >Personalization is not available for these beds. We apologize for any inconvenience.