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 hooks are strong enough to hold up shower curtain and shower liner. High quality metal - These double glided shower curtain rings are made of high quality and selected metal. These shower curtain hooks are 3 inches long and fits most standard size shower curtain rods (less than or equal to 1.3 inches). Plated & polished - Coating is plated and polished on cover of double sided shower curtain hooks to be used as elegant decor to your bathroom. Set of 12 - Sold as a set of 12 shower curtain rings. Titanker shower curtain hooks meets most of quantity demands for one usual bathroom.