Click here for detail and save up to .23 : www.amazon.com It's safe and incredibly soft electric mattress pad that not only warms your bed, but also rejuvenates it. Due to the all over penetrating warmth of this low-voltage mattress pad, you'll start saving money on your energy bill while lowering your thermostat. The benefit to you is a pad that gives more of an even heat and has no annoying hot or cold spots. The twin size pad comes standard with one easy to read, easy to turn, non-slip computerized controller to adjust the temperature of the pad. For cozy sheets before bed time, it has an automatic pre-heat and hold feature.