Quality Metal Material: Made of high quality iron with durable plating, anti-rust, sturdy, thickness and hardness, can be used for a long time. Easy to open and close design : the open end design is specially for the rods that can't be pulled out, you can use it without going through the curtain rod, it can be directly buckled. Easy to use: the curtain ring can be easily opened without powerful force. Hang the rings one by one on the curtain rod, then you can put a hook or clip on the small ring, and finally put the curtain, you can slide the curtain easily. Perfect Accessories: these gold curtain rings are delicate and elegant, enhance your home decorative style. Perfect for hotels, restaurants, bars, meeting rooms, bedrooms, bathrooms, etc. 16-Piece Set: This set includes 16 curtain rings. Size: Curtain Ring Inner Diameter: 40mm