tin button badge material:tin size:2.5,3,4,4.5,5,8, ... color printing design high quality,with different pin back tin button badge, metal button badge,pin badge1. material ... :tin/plastic2. size:20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, ... . packing by opp bag or customized required card or box packing6. low quantity acceptable, high quality, fast delivery ...