86*54、91*54、111*71、121*81、131*91、141*111mm。

according to the query of Baidu library, the conventional sizes are: 86*54, 91*54, 111*71, 121*81, 131*91 and 141*111mm. Product thickness: conventional thickness is 1.76mm, and thickening is 1.15mm.

the work number plate, as its name implies, is a work card with work number and wearer information, also called the badge. Generally, there are two kinds of materials: metal and nonmetal.