"Crystal accessories that sparkle in seven colors. Titanium is coated on the surface of the crystal carefully selected through our own quality check. An elegant neck that sparkles in seven colors. Finished in a laceless finish.The clasp comes with an adjuster and can be extended up to 5cm. Two titan balls engraved with the Fighten logo are arranged. (5mm balls only) Materials Main body: Crystal, titan ball Fastener: Titanium Adjuster: Titanium Plate (end parts): Titanium Crystal (diameter): 5mm Titanium ball (diameter): 6mm Fastener: 1.5cm"