HEAT-RESISTANT MATERIAL: The burner knob cover is made of high-quality pp material, high temperature resistance, safe and reliable cooking. It has strong heat resistance, is not easy to be damaged and deformed, and is detachable for easy cleaning. Long-term use does not leave marks. CHILD SAFETY PROTECTION: These gas button switch protectors can be used to prevent children from turning on gas stoves, ovens and other electrical switches. Avoid kitchen accidents such as fire, gas leak/poisoning, burns and other injuries. STRONG APPLICABILITY: The protective button cover protector is suitable for almost all types of ovens or ovens. Suitable for every family kitchen stove, gas stove, stove, etc. It is a good accessory for home or restaurant kitchen. EASY TO INSTALL: just remove the switch, insert the cover, and then reinsert the switch. No drilling is required for installation, and it can be installed without glue, screws or other tools. VALUE PACKAGE: Comes with 4 safety oven button covers, and the transparent circular design matches your kitchen environment. Mobile, easy to clean, can effectively prevent oil pollution, is an excellent kitchen accessory for the family.