Material: 925 Sterling Silver/ Rhodium Plated AA+ Cubic Zirconia Necklace: Lobster-claw clasp with spring mechanism for strong security Necklace Chain Length: 37cm+5cm chain link extension Earrings Diameter: 7mm Six Claw Stud, push back closure holds earring securely in place Includes one gift bag and one jewelry box per order for each set