Descriptions:1. Material: The o-ring is made of iron material, non-welded, electroplating finish, smooth surface without burrs, wear-resistant and corrosion-resistant, strong and reliable.2. Features: The o-ring buckle is not only a component of bags, clothes, shoes, handbags, belts, but also an ornament.3. Advantages: Strong, smooth, not easy to rust, suitable for DIY use. Iron materials can also hang small DIY decorations, clothes and other light items.4. Usage: These round metal rings are suitable for many projects, such as hanging crafts or decorations on belts, handbags, backpacks, purses, clothes, luggage straps, and other DIY craft accessories.Specifications:Product Name: Metal O RingsMaterial: IronColor: Silver ToneFinish: ElectroplatedInner Diameter: 50mm / 1.97"Thickness: 3.5mm / 0.14"Package Included:8pcs x O-rings