The product is a Green Blue Ball Mason 1/2 Gallon Fruit Jar dating back to the years 1910-1923. This antique vintage jar features a sloped design and is classified as a Half Gallon volume jar in the color blue. It is a United States manufactured item with the specific bottle type being a Jar. This collectible item falls under the category of Bottles & Insulators, particularly Antique (Pre-1900) Jars, and is a sought-after piece for collectors of vintage glassware.