The Hot Box Heaters are ideal for retaining heat in extreme weather conditions. The fully insulated boxes deliver uniform heat to all temperature-sensitive palletized materials and products stored inside. Save time and money by protecting your products from freezing without the risk of overheating. Constructed of an ultra-durable vinyl shell, the boxes can be quickly and easily assembled—ideal for cold weather storage, remote locations, job site heating, and transporting of temperature-sensitive materials.