These high-quality rubber seals are made to last and provide a secure, leak-proof closure for your jars. Each seal is precisely sized at 100mm to fit standard canning jars of various sizes, including 500ml, 750ml, 1L, and 3L. The soft yet firm construction ensures maximum protection for your food, making them perfect for any home canning project or kitchen storage needs.
  Whether you're preserving seasonal fruits, making homemade jams, or storing pantry items, these seals offer a reliable solution. Designed for easy use, they fit snugly in jars and provide an airtight seal to keep your contents fresh and safe for longer. A must-have accessory for anyone who enjoys canning, crafting, or maintaining a well-organized kitchen.