＊Instant purchase is welcome, midnight silent purchase OK ◎ ＊One-of-a-kind, first come, first served ＊Bulk purchase welcome, feel free to comment ＊Free shipping! ・Please understand and purchase as it will be stored at home and shipped with simple packaging (⁎ᵕᴗᵕ⁎) ・Please check the actual photos for the condition of the product♪ ※To sell as cheaply as possible, we may ship the item without the box due to shipping costs. This cooling hat pad can be used simply by putting it inside a hat, effectively cooling the whole body and preventing heatstroke. If this product melts, cool it again in the same way. The cooling cap pack will solidify again. It is economical as it can be reused simply by cooling the ice pack in the refrigerator or freezer. Cooling time: Refrigerator: Cooling time is about 15 minutes, cold water: Cooling time is about 20 minutes! If the temperature is very high, the cooling time needs to be longer. (Note: The specific cooling time depends on the actual situation of the day, thank you for your understanding!) 【2024 New Idea for Heatstroke Prevention・P-CM Ice Cool Head】XiaoJingLong Ice Cool Head 24cm Heatstroke Prevention Reusable Instant Cooling & Cooling Cooling Goods Cool Head Cooling Hat Pad Heatstroke Prevention For Bicycle Helmet/Office/Outdoor Work/Camping/Japanese Instruction Manual Included (Black 【L-24cm】) #Kana's product list is here ✨️☜ ☆39-31☆