Ball 16001 Regular Mouth 16 Ounce Drinking Mugs, 4 Pack. Ball 16oz drinking jars are made with the same high quality glass as Ball canning jars with the addition of a handle to make holding the jar easier. Made in the USA is embossed on the jar below the Ball logo on the front of the jar. These jars are not recommended for home canning. Can be used with regular mouth Ball Sip & Strawlids, Ball plastic storage caps, or any regular mouth 2-pc caps for drink storage. Made in the USA of high quality glass.