Don't worry about your cold drink will be warm soon,or your hot drink to be cool down soon, our product will help you to deal with it easily.
Made of Stainless Steel 304.
Wash before initial use. 
Use only mild dish soap to clean - no bleach or abrasive cleaners. 
Dishwasher safe. - Do not place in freezer. 
For thorough cleaning, remove gasket from lid. Clean and dry before using. 
Do not place in microwave. Fire and personal injury can occur. 
Hot beverages will stay hot for several hours. Use caution to prevent burns.