24" x 29", large, heated pet mat, heats to pet's body temperature to keep them warm during the fall & winter months, perfect for large dogs, thermostatically controlled heater works automatically to maintain a temperature range of 100 - 105 degrees fahrenheit, red indicator light shows when unit is heating, anti-chew cord protector to deter chewing, abs plastic material is durable & easy to clean, comes with free fleece cover.