Remind your clients that there are no hidden agendas when you give them their own lights with the Round LED Key Chain! It measures 1.5" diameter and is made of plastic. Choose from multiple product colors and imprint methods to customize your promotional product for the perfect look. This advertising tool is a great asset at home improvement trade shows, safety expos and real estate offices. Various industries can benefit from having a handy marketing item that clients can use again and again!