This is a pack of 4pcs stove burner covers. The hole of protector should be trimmed with scissors to fit your gas stove properly before use. You just need simply remove your burner grate, center it over your protector sheet, trace around the grate, and cut. Besides, these protectors are durable which can withstand 260 degree centigrade because of the material. Feature - Color: Cream-coloured. - Material: Teflon. - Size: About 27 x 27cm. - Middle dot diameter: About 4cm/1.6inch. - Easy to adjust to fit your stove: The hole of protector must be trimmed with scissors to fit your gas stove properly before use. Fits virtually all gas hobs and is non-stick which can easily be removed when cleaning. - High security. Certified by FDA and LFGB. Safe and for your health. - Reusable and easy to use. Wash in hot soapy water, or in dishwasher. Throw gas range protectors in the dishwasher for a deeper cleaning. - Put protectors under burner grate below the flame. Before installation, protector must be clear of any flame to avoid possible file injuries or product damage. It can be trimmered to fit different gas stoves.