Thanks for the info guys..this community is awesome.. you about cleared any question that was on my mind..BUT.. so ten seconds in the microwave and then heatpad for atleast an hour and it will stay same temp in my pocket for a while? should i bring the digital thermom. just in case? plus i hope they dont smell because i smelt it and it really didnt smell like anything.. jeff and rest of community rock!..and to think this morning i started at step one, freaking out not knowing what to do!