Material:Alloy.
Quantity:1 Piece
Size:Adjuatable.
Jewelry maintenance:
1.Gently, avoid collisions and friction.
2.Avoid contact with high temperatures and acid, alkali solution.
3.When you clean your jewelry, it is recommended to use a piece of wadding scrub match stick volumes frame, then wipe the it with a a soft cloth, like cotton or flannel.