Hot and cold bag with a size of 10x26cm that is specially designed to provide a natural therapeutic power with cold and heat. It consists of a thermogel bag that can be frozen for two hours to provide cold, or submerged in hot water up to 60ºC for 10 minutes to provide heat. It is not recommended to apply the bag directly to the skin, so it is advisable to use the cloth bag that comes included to introduce the thermogel. Each application on the affected area should not exceed 20 minutes.