Cool down your hot dog fast with the K&H Cool Bed III Dog Bed. These delightfully designed dog beds come in three cool sizes and give your dog a comfortable, dry and cool place to rest. The Cool Bed III is easy to fill with the appropriate amount of water. The internal cooling core distributes the water cooling down the bed without the use of electricity or harmful chemicals. The nylon / vinyl exterior is durable enough for use in or outdoors. Your pet will find this dog bed irresistible.