Perfect for men are these Simon Carter black onyx cross bones cufflinks, they are also made from brass base, gunmetal plate and onyx. All the cufflinks come complete with a simon carter gift box. The Simon Carter Onyx Cross Bones Cufflinks - Black have a shiny effect for a more formal look. They also have a swivel back so its easy to put on. They are a great addition to any gent\'s funky collection. KEY FEATURES Unique Brass Base, Gunmetal Plate and Onyx Complete with a Simon Carter gift box.