40 Pack metal curtain rings hanging rings for curtains and rods, 30 mm internal diameter Heavy duty curtain ring:Make full use of the heavy duty metal and strict design, the bearing is good, and will not deform or drop out suddenly. Durable and won't rust:The silver metal curtain ring are made of durable metal, nonporous surface and therefore will last for years without rusting. Eliminate scratch:Nice polished and smooth surface without burrs to catch on your curtain, eliminate snagging, tugging and pulling of the curtain. Widely apply:The curtain rings are in silver, wide applied for most kinds of curtains, such as shower curtain, window curtain, french window curtain and so on. colour:Silver Material:metal Size: Outside diameter: 40mm Inside diameter: 32mm Package Contents: 80 x Curtain rings Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. scratch:Nice polished and smooth without burrs to your curtain, snagging, tugging and pulling of the curtain. Widely apply:The curtain rings are in silver, wide applied for most kinds of curtains, such as shower curtain, window curtain, french window curtain and so on. 40 Pack metal curtain rings hanging rings for curtains and rods, 30 mm internal diameter Heavy duty curtain ring:Make full use of duty metal and design, the bearing is good, and will not deform or drop out suddenly. and 't rust:The silver metal curtain ring are made of metal, nonporous and therefore will last for years without rusting.