Clasp :Lobster Clasp Stone :Cubic Zirconia Material: Non-Precious Metal This Piece Of Jewellery Comes With the Assurance Of Quality And Durability. Avoid Heat & Chemicals Like Perfume, Deo, Alcohol, Etc. Clean With Dry Cotton Cloth. It Is Advisable To Store Jewellery In A Zip Lock Pouch (Air Tight Pouch)