Diameter: Approximately 3.8cm These are parts for hair ties. This is a set of 2 colorful hair tie parts for handmade crafts. They feature a beautiful color and design, reminiscent of cloisonné enamel. You can use them as a base for hair ties, or for creating various accessories such as brooches and pendant tops. Please understand that these are used items before purchasing. If you have any questions, feel free to comment!