thermal bag
[ˈθɜːrməl bæɡ]
nounpl: thermal bags
bolsa térmica
1. an insulated bag designed to maintain the temperature of food or beverages, keeping them hot or cold for extended periods
I packed a thermal bag with ice packs to keep the drinks cold during the picnic.
Embalei uma bolsa térmica com gelo para manter as bebidas frias durante o piquenique.
2. a specialized insulated container used for food delivery services to maintain proper food temperature
The delivery person arrived with the food in a thermal bag to ensure it was still hot.
O entregador chegou com a comida em uma bolsa térmica para garantir que ainda estava quente.
Thermal bags are extremely common in Brazil, particularly in the food delivery industry (apps like iFood and Uber Eats), where drivers use them to maintain food quality. They have also become household staples for picnics, beach trips, and transporting perishable goods in the tropical climate. In Portugal, the term 'bolsa isotérmica' reflects the technical emphasis on isothermal properties.
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