... paper coaster,drink coasterCoaster (drink coaster, beverage coaster, or beer mat)Coasters are generally used in café, restaurant, hotel, and other ... , also named as drink coaster, beverage coaster, or beer mat, is used to rest beverages upon. The main purpose is ... made of PVC, with great variety, like cartoon, brands image, logo printing, etc. Combine the durability, visual and promotional effects in ...