Glass Cookie Candy Penny Jar with Glass Lid, 1 Gallon Old Fashioned Clear Round Storage Container 1 Gallon Jar that is made of glass dimensions: 8 1/2 inches, maximum diameter: 6 1/2. 1 Gallon Jar that is made of glass dimensions: 8 1/2 inches, maximum diameter: 6 1/2. 1 Gallon Jar that is made of glass dimensions: 8 1/2 inches, maximum diameter: 6 1/2.