Bean Bag dog beds are orthopedic dog beds. The dog can adjust the shape of the bed according to itself, which provides perfect support for every part of the body. What is the difference between Bean Bag and siliconized balls, see here This light and soft dog bed is made of waterproof polyester material. The cover is easy to change and is designed to protect the inner bed from water. You can wash and dry the covers easily and quickly. You can only have one bed and an unlimited number of covers. Not sure what size bed is right for your pet? Check it out here. See all products here