Give older dogs the kind of orthopedic support they need for comfortable sleeping. The Bolster bed has 3 of medical- grade orthopedic foam to relieve pressure on joints during a long night. With a polyester velvet microfiber cover and plush Sherpa sleep surface, this is one bed your dog will find irresistible. Imported. Sizes: S(35 dia.), M(42 dia.), L(50 dia.). Colors: Chocolate, Sage, Caramel. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Size: MEDIUM. Color: Sage. Type: Dog Beds.