1. Process: double-sided wire drawing
2. Made of 304 stainless steel, solid and durable
3. IP vacuum plating
4. Finely ground the surface, polished
5. The width of the button is the width of the corresponding buckle
6. Lizi width: 3mm
7. Inner width size: 18mm, 20mm, 22mm
8. Weight: about 5 grams