COOLER SHOCK was born using technologies developed for blood transport in the medical field. CoolerShock is designed as an ice pack that keeps -7.8 degrees Celsius for a long time. Ice packs with COOLER SHOCK also start with its own temperature of the freezer (0 to -12.2 degrees Celsius) and the temperature rises when you get out of the freezer. Ice rises quickly and melts at 0 degrees Celsius, but Cooler Shock is made to keep the cooler cooler cooler for a long time. COOLER SHOCK takes less of the same cold power when compared to ice, so the cooler is less weight and more space efficient. You can simply return it to the freezer after you get home and reduce the hassle of cleanup. How to Use: 1. Pour the tap water required to each size into the COOLER SHOCK. S: 12.8 fl oz (355 ml), M: 28.7 fl oz (830 ml), L: 65.2 fl oz (1660 ml) 2. When deflating the air, plug it with the included silicone cork. 3. Tighten the screw cap tightly. Tighten the base of the translucent spout 4. Freeze in the freezer for at least 8 to 12 hours before use. Fully freeze for maximum cold retention. Caution: This product can be used over and over again, but it may retain its cooling effectiveness and longevity depending on the frequency of use and environment. ■This product is not edible. Please be careful when swallowing children and pets. ■ If the contents on your skin, rinse with fresh water. ■ If it gets into your eyes or mouth, consult a doctor immediately. ■Keep out of reach of infants and children. ■Do not touch with wet hands. ■ Please avoid freezing while wet. ■ Do not put this frozen product on your skin. Frostbite. ■ Avoid throwing, dropping or touching sharp objects. ■ Please do not use it near the sun or heat. ■ Please do not use if it is damaged or leaked. ■ Please do not use near fire or heat. ■ When disposal, please dispose according to your local local local municipal rules.