These Mason jars are made of lightweight tinplate material, which is tight and has good sealing performance, effectively preventing the food in the jar from getting damp or oxidized; at the same time, they have good high-temperature resistance and corrosion resistance, to adapt to a variety of external environments. The surface is smooth, the texture is delicate, safe and odorless, and can be reused.There is a silicone ring on the inside of the lid to improve the sealing of the lid and prevent leakage; the outside of the lid is designed with a threaded edge to increase the friction between the palm and the cup lid, making it easy to open and close.The regular caliber of the jar lid is suitable for various jars such as storage bottles, water bottles, liquid bottles, etc.
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