Composite orthopedic kennel pads are made with two types of foam, Composite Orthopedic kennel pads help pets stay comfortable and maintain a regular body temperature at home or on-the-go. Convoluted foam on one side allows pets to cool down in hotter temperatures while heat-retaining memory foam on the other offers added relief from the cold. Seasonal Pads Orthopedic foam for summer helps cool your dog Memory foam side helps retain dogs body heat to keep him warm in the winter. Ideal for use in home, kennel or carrier. Removable cover is machine washable for easy care.