Four-round tile ☜ [Taiwan Impression Square Coaster] 4-piece combination 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, The 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, At the time, Macau transliterated "horse mouth". It is generally called "tinplate". ※ 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.