Preciosa crystal glass beads are manufactured in Czech Republic. Genuine Czech crystal is machine-cut for consistent sparkle and brilliance in top fashion colors. The rondelle crystal beads are customer-favorite shapes for jewelry design; they are durable and sturdy. These John Bead loose beads are fit for different types of design art project needs. Each comes with a hole that allows thread or cord go through it easily. The precise design of these rondelle crystal beads can add a touch of elegance to your style. You can make them a staple component and combine them in any design project! These 4 mm bicone crystal beads are made of high-quality glass that's perfect for making necklaces, bracelets, earrings, keychains, birthstone accessories, DIY crafts, weddings accessories, Christmas tree decorations, chandeliers, art projects, handcrafts and more! Details: Available in multiple colors4 mm40 beadsFaceted bicone rondelleSuperior qualityCzech crystal glass