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Thermos
emsa
Before first use, rinse the inner container with warm water and dry thoroughly. For hot beverages, rinse the thermos with hot water before filling; for cold beverages, rinse with cold water to ensure longer-lasting temperature retention. Do not fill the thermos completely; close the lid tightly. Avoid hard impacts; the inner glass container is delicate. Do not use a dishwasher or abrasive products for cleaning; wash by hand.