These fun hoops have a punch of color enamel persimmon orange, canyon red, summer yellow, or everyone's favorite (not kidding) beige. 1/2" Channel Hoops with surgical steel posts. Made of gold- or silver-plated brass (heavy 7-10 mil gold) the silver is coated to resist tarnish and create a hypoallergenic surface. Designed and assembled by Amano Studio of Sonoma, California.