Package Including: There are 400pcs and 5 styles in the package. Round Ring Jump Rings: 8x1.2mm. Plum Blossom Jump Rings: 16x16x1.5mm. Teardrop Jump Rings: 18.5x14x2mm. Heart Jump Rings: 12.5x14x2mm. Square Jump Rings: 13x13x1.5mm. Variety of Styles: There are five styles: square, heart, round, star and teardrop. Each style has two colors. Rich in styles, there are many possibilities. You can be creative and create unique and beautiful handicrafts. High-quality Materials: Made of high-quality materials, non-toxic, non-polluting, and not easy to allergies. Sturdy and durable, not easy to fade or rust, suitable for long-term use. The surface is smooth and easy to clean. Easy to Use: These jump rings are great for connecting parts of jewelry together, and with the help of a copper jump ring opener, they are easy to close and rematch the ends together. Wide Range of Uses: You can use these jump rings and connectors to DIY exquisite necklaces, bracelets, anklets, keychains, keyring pendants or decorations for mobile phones, bags, wallets, etc.