Material: Made of high-quality metal, curtain rings are polished surface without burrs, not easy to fade, are rust-proof, wear-resistant. Includes: 30 curtain rings clips, inner diameter: approx. 2.5 cm / 0.98 inches. Colour: silver Good workman: Has a robust spring tension, not only stable, it can also not tear or scratch the curtain. Easy to use: These curtain rings glide smoothly on your curtain rod, slide the ring through the rod and clamp the curtain with a clip, or you can remove the clip and use the rings alone. Wide range of uses: Suitable for most curtain poles and clips, bed curtains, craft supplies.