The Indus Tool FWB Super Footwarmer Heated Rubber Mat eliminates distractions on the job that stem from frosty toes. It offers toasty warm relief from the curse of cold feet. This is a larger version of the Indus Tool FW Insulated Heat Mat. It measures 16 x 36 inches and is one fourth of an inch thick. The larger size of the Indus Tool FWB doesn’t mean a big energy drain. This efficient heating pad warms up to 120 degrees Fahrenheit on only 1.2 Amps. It uses less energy than a light bulb and warmer feet allow for lower overall room temperatures. Also, for your safety this personal heater is not hot to touch and there is no carbon monoxide risk.