DescriptionMade of quality mica paper material, this replacement waveform guide heat-resistant, insulated and durable to use. It works as a heat resisting and insulating for your every day home appliance.Features-Color: Silver-Material: mica paper -Size: 11.50X6.50X0.04cm/ 4.52X2.55X0.02in - The mica board is pressed by mica paper and silicone resin through the temperature of gluing- Suitable for a variety of electrical appliances, microwave, hair dryer, toaster, heater- Can help to keep food and moisture splatters into the microwave oven.- Adopt premium mica paper material for durable use.- Extend microwave oven service life and improve its efficiency.