Rust Resistant Stainless Steel - Heavy duty brass and stainless steel construction allows for years of use in the tough elements of the bathroom. 100% pure stainless steel, non-magnetic metal is corrosion free meaning it will last inside and out without rust. Plated and polished rust resistant - The steel is plated with a rust resistant material and polished with a black finish. The hooks have a classic look, adding a very elegant look to any bathroom. Free Gilding Action - No Snag; effortlessly; hassle-free. These hooks feature specially designed spherical balls to reduce friction and allow effortless gliding over the rod with virtually no effort. Heavy duty closing hooks - The black shower curtain hooks are strong enough to contain a heavy shower curtain or liner. They are closed tightly, which prevents the curtain from slipping off the rings. Set of 12 - Sold in sets of 12 for a standard opening of 60 or 72 inches. Easy installation and simple To install the shower curtain rings, simply open the curtain hook clasp and loop them through the openings in your shower curtain and/or liner. Then snap the clasps and slide the rings onto the shower rod. Then, follow your shower rod's instructions to attach the rod to your shower. To install the hooks on a fixed curtain rod, simply open the clasp of the curtain ring and stretch the ring around the curtain rod. The sturdy materials used in the construction of the hooks allow the hooks to stretch approximately 1" without breaking. When you finish stretching the rings, they return to their original shape. Product size: total length is 7cm. Color: Black. Quantity Shipped: 12 pieces.