Neck cooler that freezes naturally below 28°C and can be used repeatedly. - Operating temperature: Freezes naturally below 28°C - How to use: Freeze for 5-20 minutes - Features: Reusable, no charging required, no water needed - Size: L ＿＿＿✧＿＿＿✧＿＿＿✧＿＿＿✧＿＿＿✧＿＿＿ New products are being released one after another ❤︎.* ↓↓ Please take a look here ↓↓ #Yuzuchi'sShop✨️ ＿＿＿✧＿＿＿✧＿＿＿✧＿＿＿✧＿＿＿✧＿＿＿ To prevent any problems, please be sure to read the profile before considering a purchase. Thank you very much(*´ω｀*) ❤ There's great deals in my profile♬*゜ ⚠ Although it is a new, unused item, it has been taken out of the box once for inspection. 71-10