Ball 4-pk. 4-oz. Mini Jar. The Ball 4-ounce Mini Storage Jar is 75% smaller than the iconic Ball regular-mouth pint jar, but has 100% of the style! The Mini is great for dry herb storage and crafting and is a great solution for people who want to control their clutter. And the one-piece metal lids and glass jars are BPA free and made in the USA. The case includes six 4-packs or 24 four-ounce jars and 24 lids. Clear