[Extremely refreshing and evil] Li-good 4.4cm pin

Under what circumstances will it be extremely refreshing? Under what circumstances will it be extremely evil? it is good ^^ Open self-question ....................................... ★Photographing props are mostly robbed to buy baby who does not sell ★ fat boss off topic 唠叨..... (small important) About the badge material - the choice of the tinplate and the plastic shell First of all, in terms of physical face, iron will rust. This is true. Although the plastic will not rust. But the iron shell has a good texture. In the end, how do I choose.... I have been bothering me for a long time. I chose the iron shell before. But I found that .... plastic shell seems to be better, fickle Ah ..... ★Material: front bright film, back plastic case ★ Size: 4.4 cm in diameter ★ style: black and white ★Packing: One size zipper bag