r/MasonJars

How would you make an airtight lid for this lidless glass jar?

How would you make an airtight lid for this lidless glass jar?

I bought this amazing glass jar on a flea market, but wish I had a lid for it. Any ideas how to DIY a decently tight lid? My only idea so far is to cut it out of plywood but not sure how to make it airtight

u/Eftertank — 12 days ago