[EXCELLENT SEALING PERFORMANCE]Canning lids have good leak-proof and secure effects, inside with thickness sealed rubber rings, ensures mason canning jar lids have good sealing, airtightness and prevents leakage maintain cans inside food fresh and clean condition for long time, make cans perfect for storage. [UNIVERSAL SIZE]Mason jars wide mouth lids. Each reusable leak proof storage solid capwhich can be compatible with wide mouth canning jar lids. [SAFE and RELIABLE]Mason Jar lids are made of tinplate,It can stand high and low temperatures, which can be reused many times, Wipe dry with a cloth after use to prevent rust.The sealing ring made of Silicone tight seals ,ensures durability and reliability, It can reduce the probability of deformation. [PERSONALITY FEATURES]We provide a DIY area on the mason jar lids. You can write the date or name directly on the lid with a permanent marker so you can easily identify the contents of the jar. Versatile Leak-proof lids-You can jar to store homemade , salad, jams, jellies, preserves, tomato sauces, salsa, broths, screws or other objects, and you do make some cream pies or directly DIY the lids to be a adornment. [UNIVERSAL SIZE, WIDE APPLICATION]These lids makes them perfect for all regular mouth mason jars including Ball and Kerr jars, come with good sealing and suitable for paired with most bottle, jar to store fruits, cookies, candies, salad, milk, smoothies, tea, coffee, screws or other small objects Colour:Silver Material:Tinplate Size:86mm Package Contents: 100 x Wide Mouth Canning Lids Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.