The world cools under freezing temperatures. The Freezer Ice Hard is completely cooled in the freezer or other freezer until the contents become solid, so you can cool the food or drink you want to chill it. The surface temperature is below freezing point (minus) 39.4°F (16°C), so it can be effective. In conjunction with other soft ice packs, you can also expect the ice packs to cool down and cooling effect. The Freezer Ice Hard container has been treated to be mildew resistant and antibacterial, so you can use it with confidence. You can also freeze it and use it again and again. Great for sports and outdoor activities. Freezer Ice Hard 800 g (16 °C) type below the point (ice pack) Features: Simply place in the freezer for about 24 hours or less in the freezer for about 24 hours. ● Provides even cooling effect when used with other soft ice packs. Can be used over and over again by freezing it. Simply place it on top of your food or drink in the cooler box to keep it cool and fresh. It is highly durable and resistant to impact. Mildew resistant and antibacterial treatment. The contents are resistant to deterioration and can be used for a long time. How to Use: For keeping food and drinks cold during sports and outdoor activities. Keep your fish cold for catching round and fishing fish. For cold drinks and food during power outages. For cooling affected areas such as bruises, fevers, sprains, etc. When cooling the affected area for a long time, please be sure to wrap it in a towel. Size (W x D x H): Approx. 7.7 x 0.9 x 11.4 inches (19.5 x 2.4 x 29.0 cm); Material: Thickener, Preservative, Propylene Glycol Container: Polyethylene (antibacterial additives) Contents: Approx. 28.1 oz (800 g) (contents capacity)