EleCharm Ayygiftideas Curtain Drapery Thick Clip Rings, Set of 7, Black, Inner Diameter 1.24"/3.15cm (silver) In sets of 12 pcs. Inner diameter: 3.15 cm Outer diameter: 3.8 cm Weight: 80g/set The clip rings are rust-proof and corrosion-resistant AYYgift is a registered trademark by AYY Yangbao International', intellectual property protected