Good Material: The 12 shower rings are made of high quality non-magnetic stainless steel, rust-proof, strong and durable. Sturdy Closed Hooks: The hooks are strong enough to hold a heavy curtain. They stay closed to ensure that the curtain cannot slip off the shower ring. Slide Freely: The five smooth roller balls on the hooks can reduce friction and allow effortless sliding on the rod, which can save energy and reduce noise. Easy Installation: No complicated installation method, it is very simple and time-saving, which can be achieved in just a few minutes. Widely Used: The curtain ring is suitable for office, hotel, restaurant, bedroom, bathroom, kitchen, garden, etc.