Do not waist you time on this one. It's not even worth the time it took you too find it on Amazon.

I put it in the microwave according to the instructions, no more than 2 1/2 minutes. I did not get most heat that last and lasts. I got a Luke warm pad that lasted all of 5 minutes. I returned it and went back to my tried and true set hand towel under my heating pad.

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