Before heatstroke, you need to take precautions to spend the intense summer without the intense heat. The Instant Cooling Hape cools down easily by hitting it, so we recommend keeping it in your home medicine box, in your bag for commuting to work or school, or in an emergency bag. For those occasions: Hape is convenient for sudden heating or sudden accidents. ■ If your air conditioner breaks, keep it cool ■ Even if you are on a quick trip, your child will get into the heat. ■ Even when it is hard to move, it will quickly cool down at hand. ■ Put it under your pillow on a night that is too hot and sleepless. ■ No hot cooking in the kitchen! Use it now! ■ If you want to sleep in the heat, keep your hands cool ■ Even when the air conditioning is active, the places exposed to direct sunlight will be very hot & hot! ■ Even when swimming in the ocean or playing in the river, it gets quite hot in direct sunlight. ■ Can be used in sports for spumming or bruising icing. ■ Gently add to a computer that is too hot... Break the water bladder inside and it suddenly cools. Since it will fall below freezing point, you must wrap it with a towel. It will become frostbite. It usually cools for 15 to 30 minutes, but it is recommended to have several at room temperature of 77°F (25°C). Its hot and hard.