Premium - The ring is made of all-metal material, strong and durable, rust-proof and wear-resistant, can ensure indoor and outdoor use, and has a long service life. 24 sets - Ring thickness: 3.5mm, inner diameter: 30mm, easy to install, suitable for most curtain rods, sufficient diameter provides an ideal space to ensure smooth sliding when opening and closing the connected curtain. 24 sets - Ring thickness: 3.5mm, inner diameter: 30mm, easy to install, suitable for most curtain rods, sufficient diameter provides an ideal space to ensure smooth sliding when opening and closing the connected curtain. Easy to use - Just pass the entire hook through the back of the thread on the curtain to fasten it, with strong bearing capacity. Application - Curtain ring can be used to hang shower curtains, curtains, French curtains, etc. It is an ideal choice for luxury hotels, cafes, kitchens, bathrooms, restaurants, bars, bedrooms, etc.