1Regular Mouth & Wide Mouth: Provided regular canning lid and wide mouth canning lid, which could meet most of the family's demands. Not only save your budget but also save your time of pick out lids.2With a great sleek silver color they are perfect for that modern look that you want in your pantry. Incredibly durable giving you that ability to keep reusing them without having to forgo any of the high quality.Giving you an ample amount for all your storage needs.3These Mason Jar lids are the ultimate tight and fully protective covers. They come with silicon seal making sure your Mason Jar is tightly sealed.4The middle part of the Mason lid can be replaced, and if it is damaged, it can be replaced with a new replacement ring. Leak Proof and Secure.The jar lids and bands are made of tinplate. Rust proof, high and low temperature resistant,can be applied for many times use. The mason jar pour top and the silicone gel is safe materials available and BPA free, non-toxic and no special odor, feel free to use .5The lid can also be marked with a marker, such as the shelf life and storage date of the item, as well as the item name and instructions for use.