Features 1. Circular, suitable for most bead jewelry designs, with various sizes to choose from. 2. The color is natural, without dyeing or painting, and will not contaminate the clothes. 3. The material is natural black lava, which has a high hardness. Therefore, it can be processed into very regular shapes. These materials are magical gifts from nature. Therefore, it is considered to possess natural energy. Wearing natural stone jewelry can bring energy to people and promote the circulation of the human body. Natural rock decorations are also known as healing stones, chakra stones, and birthstones. 5. Beads are suitable for designing jewelry or designing colorful fashion jewelry. 6. There are no obvious defects or cracks, the pattern is natural, and the design is unique. Specifications: Material: Volcanic Stone Weight: 11-180g Total length: approximately 38cm Size (per piece): 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm Package Include: 1 string of beads (requiring secondary processing by oneself)