Smooth gliding -Engineered spherical roller balls of shower curtain hooks can glide smoothly and fast across shower rod. Double hooks design - The double roller glide shower curtain hooks are strong enough to hold up shower curtain and shower liner. High quality metal - These double glided shower curtain hooks are made of high quality and selected metal, which is resistant to rust effectively. Plated & polished - Coating is plated and polished on cover of double shower hooks to be used as elegant decor to your bathroom. Set of 12 - Sold as a set of 12 shower curtain rings. It meets most of quantity demands for one usual bathroom Free Gliding Design Engineered spherical roller balls of shower curtain hooks reduce friction and let hooks glide across the rod smoothly with no effort at all. Durable and Bearable Double-Hook Design is not only strong enough to hold up heavy duty shower curtain and liner, but also easy to install to save your time.