The Disposable Gas Burner Liners by Spare Essentials come in a pack of 3 to 10, with a total of 33 pieces included in the package. Each liner is made of disposable aluminum material, perfect for protecting your stove burners from dirt and grime. The square stove covers measure 8.5 x 8.5 inches, making them suitable for most standard stove sizes. These silver-colored liners are a convenient and efficient solution for keeping your stove clean and tidy during cooking.