《☀️ Instant Purchase OK!! - Free Shipping ☀️》 ❤ Please check the profile before purchasing ❤ Feel free to request additional photos to confirm the product condition ☺ Approximately 25cm x approximately 25cm 【Material】This is a cutting-edge head ice cool product made with TPU (thermoplastic polyurethane) on the outside and PCM (phase change material) on the inside. It uses excellent antibacterial and non-toxic materials, so even people with sensitive skin can use it with peace of mind. 【Freezes Naturally Below 28°C】 This product absorbs and releases heat while repeatedly freezing and melting (solid-liquid) depending on the temperature environment. It can cool naturally at room temperature below 28°C, and rapid cooling is also possible by using a refrigerator, freezer, or ice water. 【No Condensation & Eco-Friendly & Reusable】 Unlike ice packs, it uses a new cold sensation material PCM that does not cause condensation, so you can use it comfortably without worrying about getting your hat or clothes wet. Also, it freezes naturally depending on the temperature environment, so no batteries or power are needed, and it can be used repeatedly. 【Easy to Use & Long-Lasting Cooling】 Simply put it inside a hat or helmet. (Note: If you are concerned about slippage, please use the included Velcro tape). Cooling the head effectively cools the whole body, perfect for heatstroke prevention in the hot summer! ＜Cooling Time＞ Freezes in about 5-10 minutes in the refrigerator or freezer. Freezes in about 10-20 minutes in ice water. The cooling sensation can last for up to about 90 minutes. (The usage time of the product varies depending on the environment) 【Note】 Velcro tape with double-sided tape is included, so please use it if you are concerned about slippage. ❣️ The product is new and unused, but it is listed as "Like New" due to damage to the box or dirt on the bag. ❣️ Shipping will be done using the cheapest method. ❣️ I want us to have a pleasant transaction, so please comment before purchasing if you have any questions (⃙⃘˙꒳˙⃙⃘) ☀ Other #pon products are here ➜➜➜ Head Cooling Pad Head Cooling Pad PCM Ice Cap Mat Just put it in your hat Cool your head Cool your head Helmet Ice Pack Heatstroke Prevention PCM Material Reusable 30% Increase & Coldness UP Instant Cooling 12-55 082305920562