Double shower hooks: exquisite craftsmanship with obstacle on both sides to maintain balance and prevent shower curtain from falling. | Easy to use: easily hang or remove shower curtain and shower liner. Unique design prevents them from falling. | Smooth operation function: frictionless sliding thanks to the five special roller balls on each hook. They prevent them from getting caught and pulled when opening and closing the shower curtain and shower mat. | Rust-resistant and durable: made of high-quality metal material and coated with a corrosion-resistant coating. | 12 shower rings for shower curtain: fit most standard sizes of shower curtain rods.