Our iconic Simply Silver collection boasts fine, contemporary and meaningful 925 Sterling Silver pieces. This beautifully designed Simply Silver Sterling Silver 925 Pearl Box Set comes packaged in a contemporary gift box, making it ideal for gifting. Fastening: Lobster Clasp Fastening/Post and Bullet Back. Chain Length: 16. Extender Length: 2. Width Dimension: 6mm. Drop Dimension: 6mm. Wipe clean only. 50% Silver (Sterling), 50% Crystal.