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