Sell COD 500ML Portable tumbler High quality 304 stainless steel vacuum flask-hot and cold best price

1.kylow's 500ML Portable tumbler High quality 304 stainless steel vacuum flask-hot and cold 2.Instructions for use: A. Clean before use. B. For best insulation effect, preheat (or pre-cool) the cup with a small amount of boiling water (ice water) before use. C. After filling the liquid, tighten the lid as much as possible to avoid leakage. 3.Note: A. Beware of burns when drinking hot drinks. B. Keep out of reach of children to prevent burns. C. Do not heat on a small fire to avoid denaturation of the plastic part. D. Do not hold dairy products that are prone to perishable carbonated drinks. E. Do not use sharp metal utensils to collide with the cup body to avoid damage to the calcined structure and affect the heat preservation effect.