This case of 1,000 gold metal caps is perfect for larger-scale canning and preserving projects. The 70G size is ideal for larger jars and these caps come with plastisol liners that create a hermetic seal, ensuring the long-term freshness of your food products. These caps are made from high-quality metal and are designed to be easy to use. Additionally, these gold jar caps have a tamper-evident button with a raised center, making them perfect for commercial use.