The Tattler Regular Mouth Canning Rubber Rings come in a set of 5 dozen, totaling 60 rings. These reusable rings are made of red rubber and are designed for regular-sized canning jars. Manufactured in the United States, this set includes high-quality rings perfect for sealing and preserving your homemade jams, pickles, and other canned goods. With a durable construction and reliable function, these Tattler rings are a must-have for any home canning enthusiast.