Base material: Copper + zinc. Unique accessory: Get a tennis racket and faux pearl ball brooch. Dimensions: Racket - 5.3(L) x 2(W) cm. Ball - 7-8mm (diameter). Refined jewellery: Features round, clear crystals (each 1mm in diameter). Plating: Silver. Weight: 8g. | Sparkling Tennis Racket & Ball Brooch - Black | Wowcher