A clear Quart Atlas Strong Shoulder Mason Canning Jar. The front of the Canning Jar reads "Atlas, Strong Shoulder, Mason". The bottom of the jar is marked with the Hazel Atlas Logo of H over A with the number 13 below and the letter S off to the left. The round jar measures 6 3/4 inches tall and has a base diameter of 3 1/2 inches. It is in excellent condition.