It is designed for use in adding special designs to a variety of projects, such as custom jewelry, clothing, shoes, accessories, home decor items, and decorations. The pendants can be used for necklaces, bracelets, earrings, keychains, and more. They are great for use by designers or fashion enthusiasts to DIY.SpecificationMaterial: alloyHanging Hole Diameter: 2 mm / 0.08 inchSize: 7x10 mm/ 0.28x0.39 inch (WxH)Package list: 60 pcs Round Birthstone Charm (5 pcs for each color)AdvantageThey are durable and have long-term use. They are arranged in a beautiful pattern, giving your jewelry projects an elegant and sophisticated look. The pendants come with attached jump rings, making them easy to attach to your chosen jewelry findings.InstructionDetermine where you want to add the pendant to your project.