Dear Reena, I recently purchased a stainless steel thermos with blue foil wrapped around the exterior. Although the instructions say “dishwasher safe” the foil peeled after four washes. At the present time, the foil is half gone and looks unappealing (pardon the pun). Should I toss the thermos or is there a remedy to fix it? Lester   Dear Lester, Since the foil on the thermos peeled due