Insulated Stainless Steel Travel MugFeature- Wide mouth 3.3 opening--easy for cleaning and ice-filling- Keep cold up to 18 hours, and hot up to 6 hours- 100% non-toxic BPA-free- 18/8 food-grade stainless steel- Durable, easy-grip and sweat-free- Portable sizeGREAT FOR ANY OCCASIONOur Tumbler is suitable for any indoor or outdoor place. Perfect for enjoying drinks at home, on the beach, by the lake, at the pool, in the office, at the party, during RV tours, cabin trips, camping, hiking, picnic, BBQ.Instructions1. Minors please use under the guidance of adults or after reporting.2. Clean the inside and outside of the cup with neutral detergent in warm water before use.3. In order to achieve the best heat and cold preservation effect of the cup, it is recommended to add hot water or ice water for preheating or precooling. It is better to add ice cubes when keeping cold.4. To prevent leakage, please tighten the lid clockwise when the cup body is tilted.Note1. Add boiling water to the cup, do not use straws when drinking to prevent burns.2. When adding boiling water to the cup, it should not be too full to prevent overflow and scald.3. Avoid falling, collision or strong impact to cause the cup body to deform and affect the product's efficacy.4. Please use neutral detergent and warm water when cleaning, do not use alkaline bleach, chemical wipes and other cleaning agents.If you encounter any problems, please contact us promptly, if you do not like them, you can unconditionally refund. You do not need to hesitate, now click on the golden "Add to Cart", We will deliver it for you within 2 days.