Green Lantern Ring with a Classic Green Enamel Inlay (GNLNFR8470) Size 12 Men's Stainless Steel Green Lantern Ring with a Classic Green Enamel Inlay. Available Sizes: 8, 10, 12 and 14. Officially Licensed Product. TM & DC Comics. (s13). This is for a size 12 ring. Comes in a cool Green Lantern motif box.