Gregory Mountain Products Sketch Daypack It is great for jobs that restrict metal rings. Ideal for Athletes, Military, Police, Firefighters, Engineers, Mechanics workout, gym, weight lifting, water sports, trekking, climbing Keep yourself safe from extreme conditions like ring avulsion and amputation The Honor Ring silicone wedding ring is also made with medical grade silicone which is hypoallergenic, antibacterial and non-toxic As a gift For anniversaries, birthdays, Father's Day, weddings and more