Feature: Classic black silk cord chain makes a simple basic casual necklace An essential piece by itself or combined with your favorite pendant Comes with a comfortable lobster claw closure Chain is made of black silk and lock is made of white copper . Warmly Tips: 45cm length suits women wear, 50cm length suits men wear. Material: Silk Leather & Copper, Color: Black, Size: Length: 45cm/18" 50cm/20" Thickness:2mm Note: Size for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 PC X Necklace Rope.