Ideal for promotion and advertisement.Good quality,non-toxic and safe. Tin badge,Tin button badges1):Materials: Tinplate,safety pin.2):Size:25MM,30MM,35MM,40MM,50MM,60MM3):Processing: stamped brass and iron, die casting, spin casting, photo etching, printing, laser engraving etc. 4)Logo: 4c printing5):Color reference: pantone color chart or AOKI chart6):Gifty packing: leather and velvet box,bag, ...