Mason Jars – 750 mL. Available from these sellers. crew bands can be reused, but SNAP lids are designed for one-time use only.Click to see full answer. Subsequently, one may also ask, what is the average size of a Mason jar?In the United States, standard-size Mason jars are made of soda-lime glass and come in two sizes: regular mouth, 2 3⁄8 in (60 mm) inner and 2 3⁄4 in (70 mm) outer diameter, and wide mouth, 3 in (76 mm) inner and 3 3⁄8 in (86 mm) outer diameter, versions.Subsequently, question is, how big is a 500ml jar? 500ml Food Jam Jar With Twist Off Lid. This jam jar is approximately 500ml capacity. It measures 12.2cms in height, width across base is 8.6cms approximately. This jar comes complete with a 82mm twist off lid with a choice of 4 colours. Just so, how much liquid is in a Mason jar? Mouth size is 3-1/8″ diameter. 1/2 pint equals 1 cup or 8 fluid ounces. A case of 12 jars includes 2-piece caps. 1 pint equals 2 cups or 16 fluid ounces.Are old Mason jars valuable?They’re named after John Landis Mason, who invented them in 1858. The glass jars were created to form a hermetic seal, and were used for canning and jarring. Typically, the smaller or more common antique jars can go for about $20 apiece, but the more rare versions can sell for as much as $300.