These Mason Jar lids are the ultimate tight and fully protective covers. They come with plastisol seal making sure your Mason Jar is tightly sealed. Designed for standard mouth mason jars, they are leak free and air tight. Incredibly durable giving you that ability to keep reusing them without having to forgo any of the high quality. With a great sleek silver color they are perfect for that modern look that you want in your pantry. Comes in pack of 16, giving you an ample amount for all your storage needs. Made in USA