1. Material: metal 2. Scope of application: Home, sweaters, clothing, others 3. Removable spring zipper, no tools required, can be used directly 4. High strength, high hardness, corrosion resistance, no rust 5. Thickened by about 3MM, not easy to break 6. Quick installation and can be used repeatedly 7. Size: 3.5x1cm 8. Attention! The zipper head hole is too small and cannot be inserted
