Ruqiji XXXL size heating pad offers double-wide therapeutic coverage for sore muscles of your back, legs, and shoulders. With nearly twice the surface area of standard heating pads, it is ideal for wrapping around large areas to relieve arthritic pain, muscle ache and stiff joints. Use for just 20 minutes daily (or as recommended by your doctor) to increase blood flow and reduce pain and muscle spasms.<br> <b>Product Specifications</b><br> <b>Material:</b> ULTRA Soft Flannel Material<br> <b>Modes:</b> 6 Power Heat Settings<br> <b>Size:</b> 17" x 33", 3M Extra Long Cord<br> <b>Power Supply:</b> AC 120V, 60Hz, 100W<br> <b>Using Time:</b> 2-HOUR Automatic Power<br> <b>Frequently Asked Questions:</b><br> 1. What temperature does this product reach?<br> -Maximum temperature is about 176 ¡ãF (80 ¡ãC) when set to ¡°6¡±. Temperature varies by heat setting; you may need to use a lower heat setting depending on the specific application and your personal preference.<br> 2. How to set the automatic shutdown?<br> -All our heating pad is automatically shut off and you do not need to take any action.<br> 3. How to wash the heating pad?<br> -1. Machine or hand wash the pad using a mild detergent, cool water, and a gentle/delicate cycle.<br> -2. Detach the cord before washing.<br> -3. Line dry or lay the pad flat to dry. Do not tumble dry.<br> -4. Make sure the product is completely dry before the next use.<br> <b>Note:</b><br> <b>Don't sit or put the pad underneath body.</b><br> <b>Don't sharp fold the pad while using.</b>