1).diameter:32mm 2).Parts and patterns can be changed as clients' requests 3).Steel loop (length:60-120cm) 4).Material:ABS <1>A good choice for work cards or promotional gifts <2>OEM orders are welcomed<3> Very popular in Japan market<4>Printed with any kind of logo<5>2) The best choice for promotion<6>With pvc tape Transparent plastic name badge holder