The Nature's Foundation Pet bed won the 2007 Consumers Digest Best Buy Award. The beds two chamber system; one for support and one for comfort makes this bed perfect for all pets. The bottom chamber of cedar bedding provides support, warmth, insulation, repels fleas, and a refreshing smell. The top orthopedic foam provides comfort. The outer cover has fleece on one side for warmth in the winter and Nylon on the other side for a cooler summer.