Instructions for use: Please check the quantity of the product after receiving the goods, whether the ice pack for lunch box is broken, if the quantity is wrong, please contact customer service, or contact us by email, the above is no problem, please follow the instructions.
Step 1: Open the lid and take out the inner cover, note: leave the powder in the ice crystal box.
Step 2: Add clean water to the lunch box ice packs scale line. If the water level on the scale line is not easy to see, please use a light to aim at the scale line of the lunch box ice packs to see it clearly. If it is convenient, you can use a mobile phone flashlight to complete it.
Step 3: After adding water, cover the inner cover. Note: There is a black sealing ring on the inner cover. Please install it on the inner cover to prevent leakage. Cover the inner cover and the outer cover. Shake it five to ten times to turn it into gel.
Step 4: Wipe the external water dry. Please check again whether the reusable ice packs has any leakage.
Step 5: After completing the above four steps, you can put it in the freezer for five to ten hours and use it.
This product can be reused without adding water twice.
Note: When freezing, try to place the ice pack for lunch box flat in the refrigerator to achieve excellent freezing effect and ensure the integrity of the product. Store it in a refrigerator at -10℃ for 5-10 hours.