Discoloration due to heat. Functionally, there are no issues. Stove Cover Fan Heater Cover Burn Prevention Stove Guard Brand: IRIS OHYAMA Color: Silver Manufacturer: IRIS OHYAMA Product Size (cm): Approximately 35.6cm wide x 12.7cm deep x 25.8cm high Weight: Approximately 1.38 kilograms Material: Steel, Silicone Rubber, Polyamide, Polypropylene Applicable Size: For oil fan heaters with a width of 30-46cm ※ Not compatible with fan heaters with opening/closing or movable air outlets, or those with incineration air intakes on the sides. ※ Installation may not be possible depending on the shape of the fan heater. Accessories: 4 magnets and 4 magnet covers each This is a simple guard specifically for indoor oil fan heaters. Silicone rubber, which does not easily get hot, is used for the part that touches the air outlet. It can be easily attached to the fan heater with magnets.