[EXCELLENT SEALING PERFORMANCE] Canning lids provide reliable leak-proof and secure sealing. Equipped with thick sealed rubber rings, these mason jar lids ensure airtight performance, prevent leakage, and help keep food fresh and clean for extended periods, making them ideal for long-term storage. [UNIVERSAL SIZE] Wide mouth mason jar lids. Each reusable, leak-proof cap is compatible with standard wide mouth canning jars. [SAFE AND RELIABLE] Made from tinplate, these mason jar lids withstand high and low temperatures and can be reused multiple times. Wipe dry after use to prevent rust. The silicone sealing ring ensures durability, tight seals, and reduced risk of deformation. [VERSATILE USE] These leak-proof lids are ideal for storing homemade foods such as salads, jams, jellies, preserves, tomato sauces, salsa, broths, or other dry goods. They can also be used to store small non-food items like screws. The lid surface allows labeling with a permanent marker for easy identification of contents. [UNIVERSAL COMPATIBILITY] Designed to fit regular mouth mason jars, including Ball and Kerr brands. Offers reliable sealing and works well with most jars and bottles for storing fruits, cookies, candies, milk, smoothies, tea, coffee, or small objects. Color: Silver Material: Tinplate Size: 86mm Package Contents: 100 x Wide Mouth Canning Lids Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.