Advantage:[Material] - The mason jar lids are made from tinplate resistant to rust or corrosion high and low temperature resistant safe for microwaves and dishwashers and refrigerators. You can use a cloth to dry metal mason jar lids after washing to extend service life.[Airtight & Leakproof]- The sealing ring design makes standard mouth mason jar lids leak-proof and air-tight ensuring that the cap is suitable for storage of food grains dressing and fresh drinks.[Easy To Use] - The thread on the bottle mouth will increase the friction of the hand and help open the bottle cap. Simply write directly on the lid surface with a permanent marker so you can easily identify the contents of the jar.
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