This is a small enterprise, usually a bar, selling mainly drinks and tapas, and sometimes meals, in a more or less provisional building, often on a beach or loose surface where a more permanent structure may be inviable. There are two main variants: Those found on beaches or at tourist attractions, which enjoy only brief but intense seasonal activity. These can be solid structures but are more often no-frills shelters or simply stalls capable of commanding a price premium compared to regular suppliers, as well as high turnover, yielding reasonable profits over a short span of time.Particularly in Andalucia and increasingly also much of Spain, such installations are a popular feature of markets, fiestas , the so-called 'ferias' like the Seville fair, and eventos, where they are called casetas since they often trade out of standardized prefabricated wooden boxes routinely set up in streets and town squares.