Nostalgic advertising coaster set

☜ [Nostalgic Advertising Coaster Set] 4 Piece Set Single piece size: 9cm x 9cm thickness 5mm Material introduction: tinplate / soft magnetic How to use: Can be used as a coaster or as a refrigerator sticker or work desk. [Origin of Tinplate Name] Tinplate was called Tin Plate in the early days, and its official name should be tin-plated steel sheet. Because China's first batch of foreign iron was imported from Macau in the middle of the Qing Dynasty, when Macao transliterated "horse mouth", it was generally called "tinplate". The application of tinplate is very wide, from packaging materials for food and beverages to grease cans, chemical cans and other miscellaneous cans. The advantages and characteristics of tinplate provide good protection of the physical and chemical properties of the contents. Tinplate cans meet environmental protection packaging materials: existing containers include iron cans, aluminum cans, paper, and plastic containers. These containers have different recycling characteristics, but cans are better than other packaging materials in terms of recycling. . Based on the implementation of the international environmental management standard ISO-14000, tinplate cans with low pollution, recyclability and resource-saving characteristics will have wider development space for future packaging applications. ※ Please pay attention to ordering! The front material is made of tinplate metal and the back is made of soft magnet. ※ The surface is special metal ink printing (Metal Printing), and the drawing surface is pattern printing. Non-ceramic / wood / glass and other materials. Origin / manufacturing methods Made in Taiwan.