Velvet Extra Large Heating Pad - Electric pad designs 17 x 33 inches, large enough to relieve your back pain and cramps. It is used to treat pain and discomfort in the waist, neck, knees, shoulders and legs, keep your body warm in chilly winters anytime. Faster Warmer - Instantly heats up, no more long waiting. The moist heating pad has 4 heating levels which range from 115℉ to 145℉. much warmer than others, you can easily adjust the temperature to suit your comfort. Provide 2 hours automatic power off, which will help save energy and ensure your safety. [Rated:135W]. Extra Long 9FT Cord - The long power cord allows the electric heating pad to be used flexibly in a wider range in the bedroom, couch, sofa, office or camping. Comfortable Material - The heating pad is made of 280GSM flannel on both sides, which has a smooth and soft feel and provides maximum comfort for your body. Warranty & Service - UL certification,if you have any questions, please contact us. Wash tips: Remove the controller to make it machine washable and easy to maintain.