COAI Black Obsidian Stone Bracelet Necklace Mala Beads 108 Description Features: Product Details: Department ‏ : ‎ unisex-adult Date First Available ‏ : ‎ November 20, 2017 Manufacturer ‏ : ‎ COAI Brand, Seller, or Collection Name: COAI Metal stamp: Not stamped Metal: alloy Material: Stone Gem Type: obsidian Chain: Bead Chain Clasp: Spring Ring Resizable: No Model number: TJR024-1