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300ml/10oz Material: 18-8 Stainless steel (powder coating) [Lid, Spout]
Materials: Polypropylene, Silicone Upper temperature torelance: 100℃/212℉ [Straw]m + Polyethylene
Temperature tolerance: 70℃/158℉Keep drinks cold (7℃/45℉) for 6hours.
For maximum insulation efficiency, precool the tumbler prior to use by filling in a bit of cold water for 1-2 mins. Made in China This is a tumbler for cold drinks. Do not use in a microwave, use in a dishwasher, or place near open flames. Do not put in boiling water.
Immediately wash and dry well after use, then store it away from other metals to prevent rust. Do not leave it soaked as it may rust or break. Wash with care. Do not use abrasive cleansers or steel wool. Do not use chlorine bleach as it may cause rust. When rust spots are found inside the tumbler, add warm water and citric acid in ratio of 10:1, wash with soft sponge after leaving it for 2-3 hours, and rinse well.