... ,drink coasterCoaster (drink coaster, beverage coaster, or beer mat)Coasters are generally used in café, restaurant, hotel, ... named as drink coaster, beverage coaster, or beer mat, is used to rest beverages upon. The main purpose ... not be cleaned, so it basically are one – time use.. Cork coasters/wood coasters with great durability but ... durability. promotional paper coaster,beverage coaster, beer mat