How to make cooling neck and head bandanas

Here are two sites that show how:

How to make cooling neck and head bandanas
Instructables.com - cooling bands


The water absorbing polymer crystals are the type of crystals  added to containers

to help them retain moisture. Theycan be found  at nurseries or gardening centers

such as Home Depot or Lowes or at Walmart in the gardening department with
the plant food.