MATERIAL: not easy to rust and has strong tension. The surface is plated golden and without any rough edges.Size: 38mm in diameter,It's applicable to the general market of curtain rod.ADVANTAGE: The curtain ring can be opened and closed, it has great locking mechanism and construction, it 't and open up by themselves after using a long time.Installment: Hang the curtain rings one by one on the curtain rod, then you can put a hook or clamp on the small ring, and finally put the curtain on, you can slide the curtain .WIDE APPLICATION: This curtain ring is applicable to a wide range of areas. The appearance is applicable to the decoration of the living room curtain and door curtain , as as the hanging of the shower curtain in the bathroom.Name: With a small ring split ringNoodle product features: a small circle is welded on the opening card ring, which is convenient for use with non-movable poles, flexible and convenientcolour: silverMaterial: ironPackage Contents: 20 * Curtain ring hanging ring