Keep cool head under the helmet Features By evaporating, IXS Headcool cools for up to 8 hours depending on temperature & humidity. Antibacterial finish Can be easily attached to the helmet with elastics Application This product works best in low to medium humidity environments. The amount of airflow determines the cooling effect. Operation Soak the pad in water for 1-2 minutes until it is saturated with water Squeeze out the excess water, do not wring. Care/ Cleaning Machine wash 40 degrees Celsius Hang dry only Do not iron Do not dry clean No industrial laundry & no bleach