Superior Quality Aluminum Foil: Made of high-quality aluminum foil, these tin stove top liners are highly heat conductive and extra durable for maximum usage. Once you start using stove top liners, you'll never go back. Gas Stove Liners: A must-have gas range accessory to keep your kitchen stovetop in mint condition. With high gauge and heat resistance, our square gas burner liners protect your stove burner from stains. Keep Your Stove Clean: Protect your range from oil drips and food spills with these durable burner bibs. A great grease protector when cooking messy foods like pancakes, fried chicken, stir fry, and pasta sauce. Cooktop Guard: By simply placing an oven burner cover under the burner you can avoid a tedious cleanup process. The aluminum cover will act as a drip pan, collecting any mess. You can simply replace it as needed. Great Value Pack: Includes 50 - 8.5" square burner liners with an inner opening diameter of 3.5". These burner protectors were specially designed to fit most brand oven and cooktop appliances.