Made of metal material, being welded and chrome plated, these curtain rings are rust-proof and can be used in humid places. Fastness and durable for use. Snap Joint Design: Special groove design, easy to mesh more closely, not easy to loosen. Avoid them opening on its own. Close tightly: Push up and down first, then pull left and right when opening them. Easy to open and close Installation: Curtain rings go through the curtain rod, and curtain hooks into the small ring, then the curtain slides easily. Application range: Ideal for for holding shower curtains, window curtains and french window curtains. Widely used in bedrooms, bathroom, living room, office, etc. Product Name: Curtain Rings Material: Metal Surface Treatment: Chrome Plated Package Content: 20 x Curtain Rings Available Size: 38mm/1.5"(Inner Dia) 50mm/2"(Inner Dia) 63mm/2.5"(Inner Dia) Available Color: Grey Gold Color, Silver Color, Bronze Color Notes: 1. Variability of 1-2mm is possible due to the measurement process. 2. Please check the diameter of our curtain ring, to fit your curtain rod before buying this item.