【High Quality Material】The shower curtain hooks are made of premium metal, finished with a durable plating for long-lasting rust protection that can be used for a long time, metal rings will not crack or break. Each curtain ring can bear up to 60 lbs and can hold your shower curtain perfectly without any doubt. 【Shower Ring Package Included】Contains 24pcs black curtain rings, with an inner diameter of about 2 inches/50mm, outer diameter of about 2.16 inches/55mm. The 2" inner diameter shower rings can be compatible with most single shower rods or double rods. 【Hinged Opening Design】Made with a hinged opening design for easier use, just pull to open and pinch to close. The metal buckle closes tightly enough to keep it on the shower rod when you roll over to open or close your shower curtain, at the same time, these metal hooks will not fall up and down like other hooks due to the shape. Both professionals and students can use. 【Smooth Glide】These roll-open O-shaped sliding shower rod hooks are rust-resistant, friction-free and glide smoothly on the curtain rod without making much noise at the same time. Add a finishing touch to your bathroom decor. 【Widely Used】The shower rings with hinged opening design fit most standard shower curtain rods. Shower curtain rings also known as loose leaf binder rings, book rings, key rings, metal index card rings, rings for flash cards, clips, curtain rings, can be used for memo filing, scrapbook, binding recipes, photos, sample book, scrapbook, sample holder, contract or file.