Amazon.com Product Description Indulge in affordable luxury with these gleaming 585 platinum hoop earrings. Made from a combination of 58.5% platinum and other alloys, they have a look and feel that's essentially indistinguishable from conventional 95% platinum, with the same rich luster, beauty, and durability. Comfortably lightweight and easy to wear, these medium-sized hoops will complement any outfit. They are finished with hinged snap-down posts.