GGN Ice Powerful Ideal for Disaster Preparedness and Emergency Made in Set of Blue Packs, -16°C (-4°F) Mini, Long-Lasting, Preparedness, Japan, 1200g,

Japanese-made ice packs that keep temperatures down to -16°C. It is approximately 1.6 times colder than conventional products, and can cool things thoroughly even outdoors in the middle of summer. It can maintain temperatures below 0°C for approximately 10 hours. It can be used for camping, sports, and leisure activities, as well as for preparing for disasters such as power outages. This durable, stackable hard case can be washed and reused for hygiene reasons.