20 Cufflink Adapters: You will receive 10 pairs (20 pcs) of plastic cufflink adapters in a white-on-clear color that can have an invisibility that allows the cufflinks to be used with the buttons of any dress or shirt. Size: Approx 12mm wide, 26mm long, 2mm thick, the right size for more casual DIY cuffs, and more importantly, lightweight enough to carry with you when you need it. Shirts Accessory: Increase the Use of your beloved shirt with this cufflink accessory, one of the perfect choices for men's custom cufflinks when wearing a watch or wedding ring, and can be worn with most dress shirts. Easy to Use: You can refer to our pictures and follow the steps to operate the cufflinks with formal shirts, you can confirm and measure the size before purchasing. Wide Range of Applications: Our cufflink adapter can be used to wear cufflinks on any formal shirt, button down shirt, button up shirt or other illegal cuff formal shirt.