1.Size: Length-2.75Inch,Width-1.53 Inch,Mechanics of perfect openings are designed to hook and hang easily with no trouble.Suitable for the shower curtain rod of diameter 22-25mm (0.8"-1.1"). 2.These shower curtain rings are pure stainless steel and Slidably 5-roller Pure cupper balls to reduce friction and eliminate noises, allow effortless gliding across the rod with virtually no effort at all. 3.Line weight 2.5mm The hooks are strong enough to hold a heavy shower curtain or liner. The shower curtain hooks are beautiful polished chrome finish. Has good heat resistance, good wear resistance, and it can not change color for a long time, It's better than silver and nickel. 4.They look old vintage not tacky and polished with a dazzling chrome finish. The hooks sparkle in presence of light, So simple and looks so thoughtful to add a little extra,the shower curtain hooks also a nice housewarming or other special occasions gifts for your friends.