Casserole Carrier and Food Warmer with Large Dual Use Hot Cold Pack - (Holds up to 11"x17" Casserole) Camerons products versatile casserole carrier Insulated to keep food warm for up to an hour or Cold for many hours Mechanics of the zipper offer a wide open top to easily place hot dish inside Durable poly/cotton blend Incudes Mcirowave or Freezer safe Hot or Cold Pack