BT155EA - Thermophore Arthritis Pad 14 x 27 Back<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Switch must be held down to be "on" </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Treat pain caused by muscle spasms from strain </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Comfortable and easy to use </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Draws moisture from the humidity in the air </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Produces moisture for 20-30 minutes </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/518ZOZxmDbL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51t2BtFmx5L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31DKlQXDDeL.jpg" noproxy>