[purple]

A cooling scarf that can be used in the frozen gel cover. Keep it cool in the freezer for 6 hours or more (chilled with the cover). Easy to adjust the length with Velcro. Not only is it great for preventing heatstroke during golfing and walking, but it is also recommended to cool down at home before sleeping or after a bath. The cozy 100% cotton cover is a magical material that changes color with temperature. From purple to blue, the color changes to the heat The gel can be frozen and reused again and again, making it very eco-friendly.