2013 marked the 100th anniversary of the development of a series of jars, designed by the Ball brothers, each intended to be better than the one before. 1913 saw the launch of the first true “Perfect Mason” jar followed in 1914 by the “PERFECTION”. 2014 marks the second year of a multi-year limited edition series with the introduction of the Spring Green Jar. These vintage-inspired green jars maintain all of our modern standards for quality and reliability. Perfect for all of your home canning needs...or as a collectible item!