Zirconium crystals, Length 16,5 -17 cm, Weight 15gr, 925 Sterling Silver. The timeless classic,MB Tennis Bracelet is the perfect addition to your wardrobe. This elegant jewelry features a Classic zirconium crystal cut and is loved by stars and fashionistas alike. Its sparkling stones like diamonds and classic look mean that it's always in style. A luxury piece that's sure to stand the test of time.