Drum Insulator, Environment Indoor, For Container Type Drums, For Container Capacity 55 gal, Insulator Coverage Full Coverage, IP Rating IP50, Exterior Material Silicone Impregnated Cloth, Features Can be used with a Silicone Drum Heater, Designed to Wrap Around a Drum Providing Insulation, Reducing Drum Heat Loss, Insulation Material Fiberglass, Insulation Thickness 1 in, Maximum Temperature 500 Degrees F, Outside Diameter 22 1/4 in, Overall Height 36.4 in