Made of rubber material, and practical to use. You receive several 10 pieces of gas can spout gaskets in the package, which are sufficient to satisfy your daily application and replacement. The spout gasket sealing rings are compatible with most gas can spouts, you do not need to change the type of gasket sealing rings when using different gas can spouts, providing convenience when applying them. The replacement gas gaskets are convenient to store or carry in a plastic storage box, toolbox, backpack, pocket and so on, and they not occupy too much space in your cabinet when they are not in use.It's a good replacement For your bad one., Weight: 0.0440924524 Pounds, Manufacturer: Taviko