Usage Tips:Features: 1.Buttons are made of k9 crystal, each one has a strong zinc alloy base that enhances the overall appearance 2.No sharp edges, don't break off the yarn, no need to worry about scratching 3., always strong and stay beautiful, top cutting process makes the buttons more shiny 4.Unique decorative pattern, fashion, elegant and delicate, appealing to the eye 5.Sparkle crystal glass buttons can be applied for dress or furniture, perfectly suited for headboards and stylish furniture specification:Description: If you need to change the appearance of a chair or sofa without spending a lot of money, or replacing a broken button of dress, you can try these shining buttons. These buttons are made of k9 crystal. Each one has a strong zinc alloy base that enhances the overall appearance of these classy buttons. If you want to accessorize your sofa, these buttons are guaranteed to do the trick. There aren't any sharp edges, so you can lie on your sofa without concern for scratching yourself. They don't break the yarn, making these unique accessories a worry free addition to your home. The design is appealing to the eye and changes the look of your dress or furniture. Buttons are made of k9 crystal, each one has a strong zinc alloy base that enhances the overall appearance. No sharp edges, don't break off the yarn, no need to worry about scratching. , always strong and stay beautiful, top cutting process makes the buttons more shiny. Unique decorative pattern, fashion, elegant and delicate, appealing to the eye. Sparkle crystal glass buttons can be applied for dress or furniture, perfectly suited for headboards and stylish furniture. s: Material: K9 crystal and zinc alloy Diameter: 20mm / 25mm(Optional) Color: Silver Quantity: 50pcs Weight: Approx. 225g(20mm), 362g(25mm) Package Includes: 50pcs x Buttons Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.