This bottle cooler magic cold pad is of great use in cooling down the hot drink in summer. Any image or text can be printed on the cold pad. So it acts as a perfect promotion item or advertising product.We are patent-granted manufacturer of magic heat cold padHOW TO USE?HOT USAGE:Put the pack in microwave oven for 10seconds each time. It is of great use in soothing muscle discomfort, spasms, cramps, stiffness, arthritisand promoting blood circulation.Attention: Keep an eye on the pack when heating. If you observe the pack swelling, turn off the microwave immediately and wait for the swelling to subside, then to use the pack. COLD USAGE:Putthe pack into refrigerator for up to 2 hours before cold use. Great for swelling and inflammation caused by sprains, sprains, bruises, minor burns, fevers and toothaches etc.Cautions:1.Gel Pack products are just for external usage only, if inner material contacts with your eyes, please rinse thoroughly with clean water.2. To prevent the temperature too high or too low when use, it is suggestible to wrap it with towel or sleeve when using. If there is any uncomfortable sense during using , please stop for minutes and reuse it.Product Pictures:OurCertificates: Factory Pictures: Fair Pictures: Your success is our business!