New in box Farm Innovators Heated Pet Mat size Large The Farm Innovators Heated Pet Mat is a thermostatically controlled mat that can automatically heat to your pet's body temperature range to keep them warm during the cold season. It is made of durable and weather resistant ABS plastic and has a custom built-in red indicator light to show when it is operating. The mat also has a heavy-duty “anti-chew” cord protector to deter your pet from chewing. 17 inches by 24 inches.