• Precious Metal: Sterling Silver (925)
• Type of Clasp/Lock: Lobster Lock 
• Gemstone: Opal
• Color: Blue
• Size:
• Length: 7 inches*
• Width: 4.20 mm*
• Weight: 8.4 grams*
• *All weights and measurements are approximate.
• Please contact us if you have further questions about alternate sizes or styles, availability, specifications, and personalization options.