1.[RUSTPROOF STRUCTURE]: The shower curtain hooks are made of high quality 304 stainless steel and electroplating process. It is durable, rust and corrosion resistant, perfect for wet bathroom environment.2.[SLIDING SMOOTHLY]: The shower curtain rings are designed with special spherical balls, which makes it easy to slide on the shower curtain rod without scratching the shower curtain rod.3.[DOUBLE SHOWER HOOKS]: The black shower curtain hooks are made by exquisite craft. The obstacle on both sides fix the rollwer balls to keep balance, which prevent shower curtain from falling off, it's strong enough to hold both heavy curtain and liner.4.[BEAUTIFUL & ELEGANT]: The electroplating shower curtain hooks rust proof design as simple and generous style, suitable for both retro and modern bathroom. It can last for long-term use and won't fade.