【Package Contents】You will receive 10 metal curtain rings with an inner diameter of 80 mm to meet your daily needs for hanging curtains on a curtain rod, sufficient for daily use and replacement. 【Premium Materials】The book ring is made of high-quality metal, with a smooth, shiny surface, corrosion-resistant, non-rusting and not easy to break, reusable. The fastening rings with a rust-free coating on the surface are aesthetically pleasing and provide a stable hold on the paper. 【Ring Closure Design】The simple and quick closure design makes installation easy and fast. No excessive force is required to close it. The closure design is secure enough to keep the shower curtain close to the shower rod and prevent it from falling out easily. 【Easy to Use】Open and close the curtain rings slightly and is very comfortable to use, the curtain can be replaced without removing the pole, simply pull it to open and press for closing so that you do not scatter or fall down. 【Wide Applicaitons】Metal rings can be used for hanging key rings, scrapbooking, notebooks, loose-leaf paper, books, bags, pattern holders, clothing, scarves, shower curtains, paper cards, etc.