This Heated Seat Cover Set provides both driver and passenger warmth. Seat Covers are easy to install and remove for seasonal temperature variations. Covers simply plug into the 12-volt AC adapter. The controller allows you to individualize each seat with custom heat settings that include: Pre-heat, Low, and High. Pre-heat function quickly brings seat covers up to operating temperature. Heat element shuts off automatically in 15 minutes to conserve battery. Heavy-duty black polyester construction with urethane backing. (Includes two seat covers.)