Hurry, this is your chance! Thank you for viewing! Popular item, limited to the last one! ^ ^ Brand new, unused! Free shipping! Silent purchase is welcome ♪ *. .*. .*. .*. .*. .*. .*. .*. .*. .*. .*. .*. ⭐️ Neck cooler for the neck made of "PCM material". It cools the carotid artery in the neck at a comfortable temperature, making it recommended for heatstroke prevention! It doesn't get too cold like ice, so there's no risk of cold injury, and it's gentle on the skin. ⭐️ Made from pure natural plant extract, it has obtained multiple biodegradation certifications. Natural materials are environmentally friendly while providing a more comfortable feel. Filled with the world's most advanced German-made PCM liquid. It has 30% higher density than other materials, and the cooling effect lasts longer. The neck has a major artery, and cooling this area can cool the blood flowing throughout the body, effectively cooling the whole body and preventing heatstroke. ⭐️ Reusable An eco-friendly heatstroke prevention product, it has passed the Chemical Evaluation and Research Institute test report, and is of high quality and can be used repeatedly! It absorbs heat from the body and converts it into an aqueous solution. It also freezes at low temperatures and becomes ice-like, and can be used repeatedly! Ice neck ring Neck cooler Cool Cooling Heatstroke prevention