Flexible coil with split ring key-holder expands easily to fit all arms. Built with a sturdy design that keeps your keys safe and secure around your wrist to prevent from getting lost. Perfect for conventions, offices, retail, medical, banking, recreation, and IT. Keep your hands and pockets free, while keeping your keys on your hand when needed. Material(s): Plastic; Color(s): Black; Blue; Green; Purple; White; Yellow; Width: 2.4"; Depth: 0.4".