The Oval style Hoop earrings are crafted with a 9ct Yellow Gold Outer Core and internally filled with sterling silver to give you a solid pair of gold earrings without the price of solid gold. These pretty oval hoops feature an two rows that crossover with a plain polished finished. These earrings are a great size to wear everyday. . Material: 9ct Yellow Gold Outer Core internally filled with Sterling Silver. . Dimensions: 4.1mm wide x 18mm long outer diameter. M3159. These Earrings have a solid sterling silver inner tube with a 9ct Gold Layer encased around. This means your Earrings won't dent like a hollow Earrings or have the plating come off due to scratching.