授权牌(Authorization card)不用做太大，太大不够精致，太小了就不够大气，一般都是采用24*31cm的，类似于A4大小的，内容也刚好放置，希望可以帮到你。

Authorization card don't have to do is too big, too big enough delicate, small is not enough air, are generally adopts 31 cm * 24, similar to A4 size, content is just right place, the hope can help you.