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Do not use for purposes other than intended.
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Do not use in dishwashers or sterilizers.
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Do not expose to strong impacts, sudden temperature changes, or place near fire. This may cause breakage and potential injury.
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Do not use in microwave ovens or dishwashers.
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Avoid using hard scrubbers or abrasive materials to clean the product, as this may cause damage.
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If there are any cracks or chips, stop using the product immediately.
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Be careful not to tip the tumbler, especially with non-sealable contents.
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This product is not made of heat-resistant glass. Do not use with hot beverages, as there is a risk of breakage.