Up for sale is an all metal Knapp Therma-a-Chest. It has very minimal rust spots on the top. T is no rusted out spots on the cooler anyw Inside the cooler looks brand new. Has original drain plug. Has a small metal box that goes inside the cooler --it contains a metal lid. This cooler is very old in nearly excellent condition. It measures 18 1/2 " long and 10" wide. It is 13 1/2" tall. Any questions, please email. Thanks for looking.