This heat pad is suitable for all dogs, cats, and small animals. It can be easily heated in the microwave and works without water. The cover is made of soft fleece, removable with a Velcro fastener, and machine washable up to 30°C. The heat pad retains warmth for up to 8 hours, is chew and scratch resistant, and has a diameter of 26 cm. Further information on usage and heating can be found in the enclosed instructions.