Convenient for when you want to warm your stomach or to keep air conditioning in the summer. Soft moisture gel transmits a cozy warmth Comes with a thermal brushed cover that can be heated in the microwave while the gel bag is in the cover. Pink cover with cute heart embroidery. The cover is removable and washable. It is an affordable and easy to use. Can be used repeatedly and economical. Ingredients: Gel bag: Water, multi-cost alcohol, polymer absorbent resin, polyethylene; Cover: Polyester; How to Use: (1) Put the gel bag into the cover (2) Place it in the center of the microwave while the gel bag is set on the cover, 3) Check the high frequency output (wattage), protect the time and heat it at 50 seconds 600 W. 40 seconds (4) Place it in the fridge where you want to heat up. Cold for more than 2 hours Note: Please do not heat or heat it outside of the microwave. Please check the high frequency output (wattage), and do not heat it outside the heating time specified in the method of use. Overheating in warm or automatic mode will be overheated. Please do not use this product. Please avoid strong impact or sharp objects. (There is a risk of bursting) Please do not apply the gel bag directly to the skin or place it on a certain area for a long time. (There is a risk of low temperature burns) Please do not eat the contents of the gel bag. Please read the precautions of use carefully before using.