Rest warm and easy with the SensorPedic warming mattress pad. Never climb into cold sheets again! Slip into slumber with warmth and decadent softness, having peace of mind while you sleep comfortably in customized warmth. Our soft brushed polyester/nylon top fabric sleeps fresh and clean being water and stain repellent, plus is lab tested to block 99.78% of allergen particles from getting to your mattress. Overfilled with hypoallergenic fiber for added support and a grip-wise bed skirt fits snuggly up to an 18” mattress. Featuring SensorSafe technology that will not allow your mattress pad to overheat. The user friendly iWarming digital controller lets you personalize your level of coziness with 9 heat settings and a built in timer. Choose from 1 to 12 hours of warmth. If you forgot to shut off your mattress pad, no worries, it will automatically shut off after 12 hours. Queen and king size come with dual controls, allowing each side of the bed to have personalized warmth. No bulky plug connection hitting your leg or feet in the night. Ours is placed on the back-side of the mattress pad for more comfortable sleep. An extra long cord allows you to place it under the bed and out of sight. Easy care, machine wash and dry for your convenience. Lastly, have confidence in your purchase with a 5 year manufacturer's warranty and ETL certification for both USA and Canada. Twin measures 39 in. x 75 in.