RECEIVED BOTH MY MUGS & LOVE, LOVE, LOVE.  MY HUSBAND TAKES COFFEE WITH HIM WHERE EVER HE GOES & IS ALWAYS HAVING TO REHEAT IT. NOW IT STAYS HOT SO HE'S A HAPPY GUY. I'VE BEEN LOOKING FOR SOMETHING LIKE THIS FOR A LONG TIME. ALSO HAPPY IT'S CORNING WEAR.