These are a life saver. This weekend I chaired a craft fair. Did I mention it was outside in the 98% humidity in 88 degree heat? There are 4 cooling towels in this pack and we each took one. What a great product! We kept them wet and around our necks all weekend. When they start to warm up, you just take them off and pull/pop them a few times and they cool back off again. When they begin to dry out, just moisten them again with a little water. At the end of the weekend we took them home and laundered them with our normal clothes and hung them to dry. They were GREAT!