Attributes . Cinch Straps to Secure Tight Fit, Quickly Heats Materials to a Preset 100 Degrees F / 38 Degrees C ( +/-5 Degrees F / 3 Degrees C), Delivers Safe, Uniform Heat to Temperature Sensitive Materials, Insulated Full Wrap Design Making it Energy-efficient, Safe for Outdoor Use, Water-resistant, Works on Both Poly and Steel Drums . Names