Features: brand new and pleasant Mica plate is mica paper with silicone resin through gluing temperature and pressed. As a kind of warmth resisting and insulating product. It is extensively used for domestic appliances akin to electrical hair-dryer, toaster, microwave oven, hotter etc. Easy to track and cut; simply use the previous for shell as a template to alter the mark, and then just use scissors to cut the new for shell. Oven cereal is a good family accessory, which helps to repair home appliances and broaden the carrier life of microwave ovens, hair dryers, ovens, etc. These mica plates sheets aimed to ship radiation from the magnetron to the cooking chamber, to prevent meals particles, steam and for VAPOR from moving into the distance on the back of the cooking chamber where the electronic elements of your microwave are located, preserve the microwave oven from burning. Specifications: Material: Mica Sheet Type:A/B/C/D Size: 12/4; 10x5cm/3; 11/4; 11x7cm/4 Package Includes: 1 x Waveguide Cover Note: Due to the light and screen environment difference, the item's coloration may be barely varied from the pictures. Please allow slight dimension difference thanks to different manual measurement.