Protects the microwave's waveguide and keeps appliances running efficiently. temperature insulation built for everyday use and easy to fit to most models. Key benefits Protects the microwave from burning and arcing by replacing damaged or degraded waveguide covers. Improves appliance reliability and extends service life by restoring proper insulation around the waveguide. Universal, trimtofit design makes it easy to adapt to many microwave models and other household appliances. Material and performance Made from quality mica paper impregnated with silicone resin for reliable temperature insulation. Designed to withstand daily microwave operation and repeated heating cycles without breaking down. Thin, heatresistant construction allows normal microwave performance while providing durable protection. Size and compatibility Sheet size: 15 cm x 12 cm (5.9 in x 4.7 in). Can be cut to any size for a precise fit. Universal fit for most microwave ovens; can also be used for other heatprone appliances that require mica insulation. Pack includes three microwave waveguide covers to meet regular replacement needs. Easy to install Trace and cut: use your old waveguide cover as a template, mark the piece, and trim with scissors or a craft knife. Simple replacement process — no special tools or adhesives required in most installations. sizing lets you many models quickly and affordably. Common uses and scenarios a burned or cracked waveguide cover in a countertop microwave to stop arcing and restore safe operation. Cut to size for use as an insulating barrier in small ovens, toasters or food warmers where mica insulation is needed. Use in repairs or maintenance of electric hair dryers and similar appliances that require a heatresistant insulating layer. What's included Three universal mica sheets (waveguide covers), 15 cm x 12 cm (5.9 in x 4.7 in) each, ready to trace and trim to your appliance. Practical, reliable, and easy to — a straightforward way to protect and extend the life of your microwave and other household appliances.