The Ball Regular Mouth Stainless Steel Lids (4-Pack) 2176672 are a set of airtight screw-on lids designed for canning jars. Made of durable stainless steel, these silver lids are suitable for home canning and preserving. These rust-resistant one-piece lids provide an airtight seal that keeps jar contents fresh and look stylish in the pantry, fridge, or on countertops. The set includes 4 lids, each measuring 2.250 inches in height and 2.950 inches in width. Manufactured by Ball, a trusted brand in canning supplies, these lids are a reliable and practical addition to any kitchen.Hand-wash only; not safe for canning.