Made of shiny gold-plated brass, these small hoops have a puffy shape inspired by '80s "shrimp" earrings. 20 mm x 6 1/2 mm. Made of 30% pre-consumer recycled brass casting. Do Well: Crafted from recycled factory scrap metals that would otherwise go to waste. Gold-plated brass. Hypoallergenic titanium posts. Nickel-safe.