7ml glass jar with lid. These 7 ml are the most popular non-cr jar. Gently sloped sides to pool into the flat center bottom for easy collection. No corners to loose any extract These are the heavy bottom jars you are looking for if you have: Saucy diamonds that need a happy home. This set of 90 thick, bottomed glass jars comes with a polished finish and black screw-top lids with foam liners for an airtight seal. The straight walls and wide mouths make them perfect for storing and displaying oils, creams, cosmetics, lip balms, waxes and more.