DC Comics Blue Lantern Corps Stainless Steel Blue Enamel Hope Ring - Size 12

Created to bring hope to the future in the light of so much destruction, when good faces overwhelming odds. At the end of the war with the Sinestro Corps and after being exiled from the Guardians of the Universe for their individuality, Ganthet and Sayd started the Blue Lantern Corps by creating a Blue Power Ring out of their hope for the future. The Blue Lantern Power Rings are powered by the emotion of Hope. - Green Lantern Wikia