Product description: Good warmth resistance, preferrred insulating propertiesMake of Mica matereial,Environmental protection, insulation, electric resistance, etc. Wide fluctuate of applications Use of long-life Material: Mica, Paper, Silicone Resin Size: 99x108mm Manual measurement, length may have slight error Packing Includes: 5Pcs Microwave Oven Mica Plates