Sell two-piece cover for mason jar

Description

This cap is for mason jar,refer to jars featuring a two-piece cover: an inner, flat, metal or glass lid, covered by a screw-on ring. The ring holds the lid in place during the canning process, which creates a partial vacuum, sealing the lid until opened!
Ruitai can offer you more other caps,like aluminium cap for alcohol glass bottle,plastic cap for condiment bottle,oil bottle,etc food bottle!
So if you need any glass food bottle or related caps,please feel free to contact us!