Polyester 【WHY CHOOSE SEALY HEATED MATTRESS PAD】If you dislike climbing into a chilly bed, especially in winter, the Sealy heated mattress pad is perfect for warming it up beforehand. Made from ultra-soft 100% polyester, it combines comfort and functionality. With 15-inch deep pockets, it fits most mattresses securely thanks to its strong elastic skirt. The plush top padding ensures that you won't feel any wires underneath, providing a cozy and restful night's sleep. 【MAXIMUM SAFETY & WARMTH】Upgraded heating wire is adopted, which has passed the ETL and FCC safety standard. Sealy heated mattress pad can promote blood circulation, help relieve muscle soreness and joint pain by providing heat therapy, and warm your cold hands and feet. 【ENERGY-EFFICIENT】Heated mattress pads are energy-efficient and consume less electricity compared to heating an entire room, making a cost-effective way to stay warm and comfortable at night. Additionally, Sealy electric mattress pad is eco-friendly and energy-saving modes to further minimize the environmental impact. 【PROGRAMABLE CONTROLS】1-12 hours automatic power off, don't worry about forgetting to turn off the power, make you more assured; single controller, 10 temperature gears, simple operating system make it easy to use, you can freely adjust your own optimal temperature. 【EASY CARE & MACHINE WASHABLE】This heated mattress pad is machine washable, just unplug the power cord from the controller and throw it into the washing machine under 30℃ water temperature to wash, clean and durable. CAUTION: DO NOT DRY CLEAN. DO NOT BLEACH. DO NOT IRON.DO NOT PLUG IN AND POWER UP YOUR HEATED PRODUCT WHILE DAMP. DO NOT USE UNTIL IT IS COMPLETELY DRY. Experience the ultimate comfort and warmth with the Sealy Electric Heated Mattress Pad. Designed to provide a cozy and soothing sleep experience, this mattress pad is perfect for those chilly nights or individuals seeking extra warmth during the winter season. Featuring advanced technology and superior craftsmanship, the Sealy Electric Heated Mattress Pad is crafted with premium materials that guarantee exceptional durability and comfort. Key Features: Luxurious Comfort: Our mattress pad is made with a plush, soft fabric that adds an extra layer of comfort to your mattress. It provides a gentle and cozy feel, enhancing your sleep quality. Adjustable Heat Settings: With multiple heat settings, you can easily customize your sleeping experience based on your personal preferences. The easy-to-use controller allows you to select the desired temperature for a soothing and warm sleep environment. QUEEN/KING/CAL KING with Dual Control: The dual control feature allows individual temperature adjustment for both sides of the bed. This ensures personalized comfort for you and your partner, letting you sleep peacefully without compromise. Safety First: Equipped with an auto shut-off feature, the mattress pad automatically turns off after 10 hours of continuous use. This ensures safety and prevents overheating, allowing you to sleep worry-free. Machine Washable: We understand the importance of cleanliness, which is why our mattress pad is machine washable. Simply remove the controller and toss it in the washing machine for hassle-free maintenance and a fresh, clean bed. It effortlessly transforms your bed into a cozy retreat, providing warmth, comfort, and relaxation throughout the night.