Stay cool in style. A super cool and stylish cooling neck band with a world class technology patented by NASA. The gel like material filled in the band will absorb your body heat and keeps you cool. It freezes and melts by itself repeatedly by absorbing and releasing heat. It can keep you cool for as long as 120 minutes at a go. Super stylish and very easy to wear. If you feel the jelly like substance is turning into liquid just put it in the freezer for 10 minutes and good to be used again. You can put it in cold water for 15 minutes for similar effects. You can use this band for your outings like cycling, hiking, walking and other outdoor activities. Comfortable and safe for kids as well.