Descriptions:1.Material: Zinc Alloy materials, work fine, smooth without interface. Work great for many function O-rings.2.Features: O ring buckle is both component and ornament for shoes, handbags, luggage straps.3.Applications: O-rings are suitable for making belts, clothes, luggage belts and backpacks.Specifications:Inner Diameter: 40mm / 1.6"Thickness: 3mm / 0.12"Material: Zinc Alloy; Color: Gold ToneFinish: ElectroplatedPackage Included: 2 x O-rings.