• Excellent Sealing Technology: Canning lids is super sealing ensures airtightness, the sealing ring inside the jar lid makes the lids for mason jars have good sealing performance and leak proof, good for sealing your food and preventing leakage maintain your food in fresh and clean condition for a long time. airtight and leak-free, tightly seal ensures it's suitable for keeping food, grains, dressings, drinks fresh, no need to worry about leakage that may contaminate the kitchen or other places after sealing materials.
• Not Easy Rust Deform: While other canning flats are prone to buckling and warping causing a high seal fail rate, these jar lids for mason jars are made of steel material not easy to bend or break, rust-proof and durable,can be used in refrigerators, microwave ovens and dishwashers not buckle or warp, even when pressure canning. Having that peace of mind knowing that your food is securely stored for the long term is important.
• Food Grade Materials: Our mason jars lids are made of rustproof food-grade metal the sealing ring made of food-grade environmentally friendly silica gel is used inside the can lid. Non-toxic and odorless, good material can support you long time use.
• Color Drawing: Unlike most ordinary colorless lids on the market, our lids have colorful drawings that are not only practical but also beautiful. They will bring visual enjoyment to your kitchen and infuse your cooking moments with a unique and vibrant aesthetic.
• Precise Adaptation: Our mason canning lids is only the 50 mason jar lids (the band is not included), each diameter size is 2.75 inches / 70mm, regular size to fit for most canning jars.