Simple to use! Immerse the Neckcool in water for up to two minutes.
Simple to use! Immerse the Neckcool in water for up to two minutes. Squeeze out the excess water (but don't wrinkle it). The cooling effect is produced by evaporative cooling and lasts up to eight hours, depending on the ambient temperature, humidity and airflow. This product works best in low to medium humidity environments. The height of the airflow determines the cooling effect.