You can check on your pet without disturbing their sleep time and they can rest in their favorite spot and still gaze out. The heater is removable so this pod can be used in all the seasons. The cushion is also removable for easy machine wash care.Features:.n.Removeable heater.n.Removable cushion for easy washing.n.MET listed.Item Details:.n.Dimensions: 21 x 21 x 7.5.n.Color: Gray.