1. Material: Alloy, crystal beads 2. Weight: About 8.6g-11.2g/piece 3. Size: Spproximately 70 cm long / piece, the wearing length can be adjusted freely 4. Uses: Masks, glasses hanging chains 5. Processing technology: Handmade 6. Applicable gender: Both male and female 7. Features: Unique shape, beautiful and practical, exquisite workmanship, comfortable to wear, durable 8. Note: Only the hanging chain, without the mask in the picture