Disclosed are heatable enclosures useful in treating materials for eradication of pests. Specifically, a heating layer which can be fitted or retrofitted into a numerous and wide variety of containers and enclosures, such as suitcases, boxes, trucks and trailers, which are operable to heat the enclosed space of the container to treat heatable materials over a period of time to eradicate pests. Heating films can be utilized that are inexpensive and lightweight.
