Extra Large Maine Warmers Microwave Heating Pad for the Back - Corn Filled Heating Pad - Heat or Freeze!<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Relax sore muscles with this extra large microwave heating pad </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Heat to stimulate circulation， improve flexibility， ease away cramps and muscle spasms </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Freeze for cold therapy to reduce swelling and pain </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Holds the heat about 30 to 45 minutes， after heating 1.5 minutes on full power </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Dimensions: 14″ x24″ --- Made in Maine </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51vZZ2klAXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51MMuIMzjrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51oVsTaANRL.jpg" noproxy>