🔐 2-in-1 Symbolic Safeguard 🔐

This Heitian jade stone necklace combines the Chinese "longevity lock" (长命锁) motif with certified Type A nephrite jade from Hetian, Xinjiang. The 15x10mm pendant features dual symbolism - the lock body represents health protection, while the hollow carving technique showcases jade's natural 6.0-6.5 Mohs hardness. Paired with a lead-free 925 silver chain (18"+2" extender) for unisex versatility.

💎 Jade That Adapts to You 💎

Unlike synthetic alternatives, this natural jade stone necklace develops a warm patina through skin contact. The 8.2g lightweight design works as both a statement pendant (worn at 16") and layering piece (extended to 20"). The oxidation-resistant lobster clasp withstands gym sessions, swimming, or daily meditation practices while maintaining symbolic potency.

🎁 Culturally-Rich Modern Gift 🎁

Each necklace includes a silk storage pouch and cultural guidebook detailing the lock's history in Chinese coming-of-age rituals. The matte-finish jade surface resists fingerprints, making it ideal for both men's minimalist style and women's boho-chic looks. A meaningful birthday/anniversary gift that bridges tradition and contemporary fashion.