Product Features: Pendant Size: 0.98 x 1.46 Inch(25x 37 mm) High-quality titanium steel,resistant to acid,alkali resistant. Titanium steel material: no fading, no rust, no allergies. Silver part are manual polishing processing. Black part do old processing. Note: 1. This item is selling pendant only, not include chain. 2. Due to manual measurement, there might be 1-3mm differences, hope you can understand. 3. If you want to buy a chain to match this pendant, just search "necklace" in our store, then ,you can choose your favorite one here.