This shower curtain hook has a double-sided construction to hook a sturdy shower curtain. The double-sided design makes the structure stronger. This shower curtain hook has a specially designed spherical ball to reduce friction and slide easily on the rod. One pack contains 12 shower curtain rings. Fits all standard size shower curtain rods and is widely used in bathrooms. Our shower hook's unique 5 brass ball design reduces hooking and allows for easy sliding on most shower rods. Stainless steel construction can last for years in the bathroom. Our company's products can be customized, and our packaging can also be customized, if you need, please contact us, we look forward to working with you!