Premium Titanium Steel Material: Made of 316L Stainless Steel, Solid, Highly Resisted to Rust or Tarnish. Hypoallergenic, Suitable for Sensitive Skin Symbolic Meaning of Rebirth: The Number 999 means A chapter in your life is closing, allowing another to open Adjustable Measurement Specifications: Chain Length: 18inch + 2inch/51cm+5cm extending chain. You can adjust the length as you like Pendant Dimension: 1.18''x0.59'' /30mmx15mm (LxW) with lobster claw clasp, easy to take on and off. All-match with any outfit, no matter when you go to a party or meeting in the office Versatile Gift Choice: Suitable choice for birthday party, Mother's Day, Valentine's Day, Christmas, Thanksgiving Day, wedding, travel, Engagement, graduation dating and daily wear Customizable Lucky Numbers Available: Choose from various lucky numbers including 67, 111, 222, 333, 444, 555, 666, 777, 888, and 999 to personalize your necklace according to your numerology preferences Custom Lucky Number 67 111 222 333 444 555 666 777 888 999Stainless Steel Necklace