APPLY TO - Welded o rings are suitable for various DIY projects or accessories replacement repairs, such as crafts, decorations, handbags, backpacks, belts, luggage belts, clothes, shoes, etc.SPECIFICATION:Material: Zinc AlloyColor: Bronze ToneInner Diameter: 30mm / 1.18-inThickness: 3mm /0.12-inQUANTITY INCLUDED - 4pcs x Metal O RingsADVANTAGE - Made of zinc alloy, electroplated finish, smooth, both decorative and accessories, very versatile.EXPLAIN - This ring buckle is welded, the ring body cannot be opened, it is usually connected together by other objects.