These 100PCS mason canning lids are crafted with precision to ensure long-lasting food preservation. Featuring a high-quality food-grade silicone ring, they create an airtight seal that keeps your jams, fruits, and DIY preserves fresh for up to three times longer than standard lids. The rust-proof metal construction ensures the lids remain sturdy and resistant to warping, making them a reliable alternative to disposable lids. Every lid is designed for easy use and cleaning, and you can mark the sealing date for better organization and tracking.
  Whether you're making homemade jams, storing seasonal fruits, or preserving your favorite desserts, these mason canning lids are the perfect upgrade. They fit standard 2.76 inch jars, making them compatible with Kerr Ball jars and other popular canning containers. Their reliable sealing performance means you can confidently store food in your kitchen, share with friends and family, or even use for DIY crafting. Each lid is built to last, offering a safe, practical, and durable solution for your canning needs.