The Cooldanna is a head and neck tie that provides hours of cooling relief. Soak the Cooldanna in cold water for 10 minutes to activiate the cooling crystals then wear as a headband, neck tie or hair band to maximize cooling during hot day and activities. Provides hours of cooling relief. Can be reused hundreds of times. Contains non-toxic polymer crystals. 100% hand washable cotton. One size fits most. Solid khaki Cooldanna.