- Unbreakable Vacuum Flask.
- For the first time using, please use warm water with a suitable neutral detergent to clean.
- To ensure product performance and extended product life, please avoid collision or strong attack, or falls.
- If the wall appears stained, caused by water quality, please soak for 30 minutes in warm water mixed with vinegar.
- Clean with a soft brush, and dry it with cotton.
- The product tank should be kept clean and dry when not in use.
- Carbonated beverages are not allowed to be stored in.
- This flask keeps your water cold or hot for about 6hours.