Features: Adjustable, Quick Ship Circumference: 8 1/2 Inch Link Construction: Solid Stone Cut: Round Stone Millimeter Measurement: 10 Mm Width, 10 Mm Length Metal Color: Black Chain Width: 10 Millimeters Chain Construction: Bead Care: Wipe Clean Stone Type: 18 Genuine Onyx Authenticity: Genuine Stone Bracelet Type: Bolo Bracelets Metal: Stainless Steel Country of Origin: Imported Gemstones may be treated and may require special care. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.