These Football Button Covers are ideal for your football or soccer fan customers. They slide easily onto the buttons of a button-cuffed shirt and clip together so that they stay on safely. Popular for the modern button cuffed shirts that do not take cufflinks. 17mm Diameter. All Dalaco Cufflink, Tie Tac and Tie Slide purchases come with gift box, FREE delivery and the Jewellers Ark money back guarantee.