Brand new, unused! Instant purchase welcome! [Heatstroke & Instant Cooling] Stay cool and comfortable even in the hot summer! This PCM cooling hat pad freezes naturally below 28°C and can be used repeatedly. The PCM cooling hat pad uses PCM technology to provide moderate coolness and maintain a comfortable temperature! [Environmentally Friendly & Reusable] This cooling hat pad can be used simply by placing it inside a hat, effectively cooling the entire body and preventing heatstroke. If the product melts, cool it again using the same method. The cooling cap pack will solidify again. It's economical because you can reuse it just 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! (Note: If the temperature is very high, the cooling time needs to be longer.) [Lightweight, Unisex, Natural Freezing] Size: 24cm. The ice cap mat fits inside various hats, and the snowflake shape fits inside the hat, making it difficult to come off during exercise or work. When used with a hat, there is no change in appearance after wearing it, and it doesn't feel uncomfortable to use. The hat weighs only 103g. Special processing technology maintains high durability and abrasion resistance. Soft material is also gentle on the skin. It hardens even with cold water, and the temperature becomes low, but it will not cause frostbite like ice. The product does not condense, is waterproof, does not absorb water, and is easy to wipe off sweat and dirt. [Water Leakage Prevention, Waterproof, Easy to Store and Clean] Water will not leak from the surface of the product, and squeezing it will not damage the product. It is also waterproof and does not absorb sweat or dirt. Therefore, if you sweat or the surface gets dirty, you can simply wipe it off with a wet wipe. Also, the area after folding is only half the original size, so it can be stored in every corner without taking up space. 980r9483