Product description Material:ABS plastic Inside Diameter: 4.6cm Outside Diameter: Approx. 7cm : , bright gold, copper 1.Size80 pcs curtain ring.Inside diameter: approx. 4.6cm ,outside diameter: approx. 7cm.These eyelet curtain are designed for curtain rod with 1-3/8 inch diameter 2.Applicable Use for DIY to decorate your fabric, bags, shirt, shoes, curtain, drapery, pillows etc. accessory for window curtain rod, window curtain ring, shower curtain ring, locker room door curtains ring, DIY backpack hole bag ring. 3.Material and sturdy ABS plastic material, wear resistant, corrosion resistant, durable to use, it will not lose color and better than metal and nickel one 4.InstructionsThe diameter of the holes which is cutted on the fabric is 51mm/2". No tools needed for installing, snap together easily by pushing one half into the . 5. Snap together easily. accessory for window curtain rod, window curtain ring, shower curtain ring, locker room door curtains ring, DIY backpack hole bag ring.