Memory Foam Pet Bed Support Dog with Hip Dysplasia Arthritis Therapeutic support for all dogs with hip dysplasia and arthritis Large bolster design combines a shape-conforming pillow foundation with a built-in supportive back rest for ultimate pet luxury Easy care brushed microsuede velour cover looks great in any room of the home Zippered cover removes easily for machine washing Fill type: 100-percent polyurathane foam Cover: 100-percent polyester Dimensions: 40 inches Wide x 29 inches Long