Zysta Stainless Steel Classic Men's Cufflinks, Silver Tone Material: Stainless Steel ( Note: Many sellers's cufflinks are Alloy but our material is high quality Stainless Steel. Round Face:18*18*4MM Glossy metallic surface and details, stylish and show your taste. Perfect for many occasions such as weddings, anniversaries, office, meetings, proms. Great choice for decorate yourself or send it as gift to friends