This bed sits on top of 3" of medical grade orthopedic foam, while the bolster is filled with premium polyfil made from recycled plastic bottles. The bed is made from soft, upholstery grade velvet and the sleeping surface is covered with super-soft microfleece. This bed is luxury from top to bottom. the cover is removable for easy machine wash and care. Overfilled bolsters surround in comfort Plush medical grade orthopedic foam Cover and liners removable Easy wash and care Sleeping Dimensions: 20" x 20"