RUST-PROOF CONSTRUCTION: Shower curtain hooks are made of 304 stainless steel with electroplating to resist rust and corrosion, perfect for bathroom environments. SMOOTH SLIDING:The shower curtain rings are designed with special spherical ball design, which can easily slide on the shower curtain rod without scratching the rod. Dual Shower Hooks: Black shower curtain hooks are made with beautiful craftsmanship. Barriers on both sides secure the roller balls to maintain balance and prevent the shower curtain from falling, and they are strong enough to hold heavy curtains and liners. BEAUTIFUL & ELEGANT:Electroplated shower curtain hooks are rust-resistant and designed in a simple and elegant style, suitable for both vintage and modern bathrooms. It can be used for a long time and will not fade.