Product Description ¯¯¯¯¯¯¯¯¯¯ Black Rhinestone Bow Large Brooch Material: Alloy + Rhinestone Size: 6.4cm * 5.8cm This large brooch is chic with black rhinestones, and is very beautiful and stylish. Costume jewelry is a general term for "imitation" jewelry and accessories made from artificial gems such as glass and plastic, and alloys, without using expensive gems or precious metals such as gold and platinum.