This essential snake chain necklace is made from 925 sterling silver with rhodium finish. It is secured with a lobster clasp. This necklace is tarnish-resistant. It does not flake off, lose luster or discolor. It is waterproof, you don't need to take it off in your daily life, you can take a bath or swim with it. We offer necklaces of 16 inches to 38 inches in length and 2 mm width for this model. *** Free velvet gift pouch included.