pin button badge material:tin size:2.5,3,4, ... high quality,with different pin back pin button badge,pin badge,lapel pin1. material:tin/plastic2. size:20mm, 25mm, 30mm, 35mm, 40mm, 45mm, ... 50mm, 70mm,140mm3. full color printing design4. with different pin back in metal or ... box packing6. low quantity acceptable, high quality, fast delivery pin button badge