Item arrives with a small blue velvet jewelry dust-bag. Material: Stainless Steel Color: Silver & Black Weight: 25 grams/0.8 oz. Stainless steel does not tarnish and oxidize, which can last longer than other jewelries. It is able to endure a lot of wear & tear. It is hypoallergenic. Such advantages make it a most popular accessory, requires minimal maintenance. Stainless steel is one of the most bio-compatible metals.