?What will you get??12 pc mason jar lids(not include rings) in one box. Size: 70 mm/2.7 inch, for regular mouth jars.
?Application?Suitable for pressure canning to store pickles, spices, sweets, biscuits, fruits, jams, drinks, screws and other small objects.
?Good Material to seal?The lids are made of tinplate. The tinplate material has good thermal expansion and contraction. When used as a sealing material, the container is vacuum-proof and watertight. But the lid are prone to rust when the paint is worn.Please replace the llid as soon as it gets rusty.
?How to canning a jar??
Put the stuff in the jar, put the lid on and screw the ring in.
Put the jar in hot water.
Use a lifter to take out the jar then cool it at room temperature.
The seal is complete when the lid can not be screwed.
?Caution?The edge of the lid is a little sharp, so be careful not to cut your fingers.