For better insulation (or cooling effect), add a small amount of hot water (or ice water) before use. After adding hot water (or ice water), close the bottle cap and top cover, let it sit for a minute, then pour out the water before normal use.
Maintenance
Clean with warm water and neutral detergent, avoid abrasive cleaning agents. Do not use rough metal wire balls to scrub the cup body to prevent scratches.
Warm Reminder
This product is a high vacuum insulated cup with long insulation time. When opening the cup lid, do not tilt the cup or bring it close to your face to prevent hot water from spilling or scalding.
Do not use in microwave ovens, ovens, or other heating devices.
Do not overfill with hot drinks to prevent overflow and scalding.
Minors should use this product under adult supervision or after being informed.
Dairy products or infant food should not be kept warm for a long time as it may spoil, increase bacterial growth, and generate gas, leading to pressure build-up and lid explosion.