Mission Enduracool Recovery Cooling Towel 100% Polyester Imported Oversized to provide more cooling coverage; dimensions 27.5" x 55" To activate cooling technology simply soak in water, wring it out and snap three times Cools Instantly to 30 degrees below average body temperature and stays cool for up to 2 hours when wet Logo's are revealed when the towel's cooling properties activate technology UPF 50 protection; reusable and machine washable