There are 50 curtain rings to prevent corrosion and rust. The size is 70 mm x 40 mm. Indispensable accessories for curtain rods. Curtains, curtain rings, shower curtain rings, locker room curtain rings and pocket rings DIY backing. The plastic eyelet has a built-in nano ring, which reduces friction with the rod. Curtain and pulls more smoothly and quietly. It is suitable for children's rooms, bedrooms, etc., bedrooms and study rooms. Features Material: Plastic Color: Matte Silver Inner diameter: approx. 40 millimeters. Outer diameter: approx. 70 millimeters Included in delivery: 50 pieces * Curtain eyelet rings. Note: Clean the surface with a cloth.