Colorful buffalo earrings are handcrafted from copper in a buffalo and Yellowstone park scene. Buy good quality and absolutely beautiful buffalo earrings that will make a wonderful anniversary gift for your wife. These pretty oval shape bison earrings are 22.5 mm X 29 mm ( about 0.9 x 1.15 inches ) in size. Earrings are made from high-quality materials, including copper and nickel-free hypoallergenic surgical steel ear wires. No need to worry about the finish of our handmade jewelry, as they are coated with layers of acrylic.