Purchased on Amazon in August 2025. Selling because I have no use for it. ♦︎Purchase Price ¥200 ♦︎Product Description Punch Cool, recommended for first aid kits, is a portable ice pack that can be used for various purposes. When you hit it with your fist, the water bag inside bursts and cooling begins. ・Uses Recommended as a heatstroke prevention item for summer festivals, Bon Odori dances, and summer music festivals! For heatstroke prevention in outdoor activities such as schools, town associations, events, outdoor activities, club activities, farming, and gardening. For fever, toothache, sports and leisure, bruises and sprains, and sleepless nights. ・Cooling Performance The cooling effect lasts for 30 minutes at a room temperature of 30 degrees Celsius. It cools down to a maximum of -4 degrees Celsius at a room temperature of 30 degrees Celsius. ♦︎Condition ・New/Unused ♦︎Purchase Date August 2025 ♦︎Size 11cm x 18cm x 1.5cm ♦︎Materials Ammonium chloride, urea, water ♦︎Country of Manufacture Japan ♦︎Product Number 4960778001776 ♦︎Seller Ice Japan Co., Ltd. ♦︎Instant purchase OK ♦︎Feel free to contact me #IcePack #IceJapan #PunchCool #PUNCHCOOL