Outbound safe [Taiwan impression round coaster] Size: 9cm x 9cm thickness 5mm Material introduction: tinplate/soft magnetic Usage: It can be used as a coaster or stored as a refrigerator sticker or work table. https://c2.staticflickr.com/2/1796/43241205104_807fcf507a_h.jpg When passengers enter and exit the country, customs officers will stamp their passports on their passports to symbolize the legality of entry and exit. Among them, the "entry stamp" is an octagonal shape similar to gossip, The "exit stamp" is round. In fact, different shapes are not only convenient for judgment, but also have special meanings. The gossip pattern symbolizes the effect of suppressing evil ways. The round shape is for the safety and consummation of outbound passengers. Add a little more to the word "boundary" for entry, with the wish of "a little more number of arrivals." ... [The origin of the name of tinplate] Tinplate was called Tin Plate in the early days, The official name shall be tinned steel sheet. Because China’s first batch of foreign iron was imported from Macau in the middle of the Qing Dynasty, Macau’s transliteration of "Makou" at that time, Therefore, it is generally called "tinplate". ] https://live.staticflickr.com/65535/50329448686_5c619346d4_k.jpg ※Please pay attention when placing an order! The front material is tinplate metal, and the back black is soft magnet material. ※The surface is printed with special metal ink (Metal Printing), and the drawing is printed with patterns, not ceramic/wood/glass materials. Origin / manufacturing method Made in Taiwan.