The black curtain eyelet rings are made of strong metal finished with a durable plating, making it very easy to push through the fabric and convenient for you to install. Package included: 30 x 1.5 Inch Curtain Rings Specification of the drapery curtain ring: Size: Big eyelet ring internal diameter: 1.5-inch, Thickness: 0.15 inch Color: Black Surface treatment: Electroplate Plating Material: Heavy-duty metal Notice: Please be careful when you open the drapery hook pin in case of hurting your fingers. Please keep away from children. Please allow measurement inaccuracy due to manual measurement. Customer Service: Please feel free to contact us if you have any question of the eyelet drapery rings. About US Awoin is focus on production and marketing high-quality Home & Kitchen products and delighting consumer with quality products and friendly customer service. Please feel free to contact us if you have any specifical requirement of our products