Smooth Gliding - The spherical balls of the shower curtain hooks can slide easily and quickly on the shower rod. Double Hook Design: The double roller hooks are strong enough to hold the shower curtain and shower liner. High Quality Metal - These double sliding shower curtain hooks are made of high quality and selected metal, which can effectively resist rust. Coated and Polished - The coating is plated and polished. The cover of the double shower hooks can be used as an elegant decoration for your bathroom. Set of 12 shower curtain rings. It meets most of the quantity requirements for a normal bathroom