How to wearStep 1: Put on a French cuff shirt: First pull up the shirt, and then let the cuff flaps on each arm spread out on your hand.Step 2: Fold back the cuff cover: Now fold each side of the cuff back to make sure that the buttonholes of each cuff are aligned.Step 3: Tighten the cuff: Pass the cuff links through the holes on both sides of the cuff and twist them so that they cannot pass through the buttonhole.Feature: Highly polished mirror shine, good plating color. Not easy to corrode, rust or water. Anti-color change, scratch resistant.Specification: Material: copper Size: Cufflinks Size L:18mm H:20mm; Studs Size L:10mm H:8mm Net weight: 27g Gross weight: 27g Packing: Bagged Packing size: 8 x 6 x 1.8cm Packing list: 8pcs men's cufflinks set (1 pair of cufflinks + 6 Studs) - Black.