JellyBeadZ Brand Ice Cool Neck Head Wrist Scarf Bandana - Sky Blue Non toxic, biodegradable, enviromentally friendly Great for hiking, gardening, sports, exercise Also used for headaches, sore muscles, and hot flashes. Soak for 10-15 minutes in COLD water, wipe excess water off, and wear Re cool for 2-3 minutes in icy water for more hours of cooling