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.