Hoop earrings are circular or semi-circular earrings that encircle the earlobe. They come in various sizes and designs, from small hoops to large statement pieces. Typically made from metals like gold, silver, or platinum, hoop earrings may also feature gemstones or diamonds for added elegance. Their versatile design makes them suitable for both casual and formal occasions, and they are a popular choice for their classic and timeless appeal.