Thank you for your connection! This is Nijimusubido (*ᴗ͈ˬᴗ͈)⁾⁾ *bows* ❣️Price negotiations are welcome! ⭐One-of-a-kind item ⭐Initial defect guarantee Uses "PCM," a special material developed by NASA for astronauts. It freezes naturally when the surrounding temperature drops below 28°C, so even when you're out and about without a freezer, the coolness can be restored just by placing it in an air-conditioned room or cold water. ■Product Highlights Freezes naturally below 28°C: No troublesome preparation needed. Just place it in an environment below 28°C and it will freeze. No condensation: Unlike ice, it doesn't melt and create water droplets, so your clothes and neck won't get wet, providing a comfortable, dry feel. Comfortable coolness: It doesn't cool down too quickly, maintaining a comfortable temperature of around 28°C. You don't have to worry about low-temperature burns, making it safe for children and the elderly. No power or batteries required: Reusable, eco-friendly, and economical. Lightweight design: It's light, so it won't strain your neck or shoulders even when worn for a long time. ■How to Use If the contents become liquid, freeze it using the following methods: Freezer: About 10 minutes Cold water: About 15 minutes Air-conditioned room below 28°C: Leave it for a while ■Specifications Material: Outer TPU (burst-proof material) / Inner PCM Uses: Heatstroke prevention, commuting to work/school, outdoor activities, sports観戦, during housework, etc. ◎Due to amateur photography, the color may differ from the actual product depending on your monitor settings and room lighting. ◎It has been opened once for photography and inspection, but it is a new and unused product. *Please take a look at my other items if you'd like＊* I'll give a small discount for bulk purchases (人´∀｀)☆ #May_you_have_a_connection_with_Nijimusubi... Management number: 593$$680