Coasters are generally used in r兒跳estaurants, cafes, hot哥亮els and other public eating places, 畫歌can be used as advertising a中就ccessories to improve the image. Color我說ful plastic coasters with 從老company logo and enterp說姐rise logo are more pro空子minent, closer to people's life好但, stronger friction to prevent glass a區慢nd porcelain cup from slipping. It can 河人also protect the table from being b也音urnt. Coasters can be線和 divided into paper, wood暗呢, plastic, metal, flower, silicone林會 coasters and so on.