Summer office outdoor wearable neck cooler 100PCS.Stay cool and comfortable with our innovative cooling neck wraps. These wraps are specifically designed to be worn around the neck, providing soothing relief from heat. They feature a special PCM refrigerant that freezes below 64 degrees F (18 degrees C) and freezes faster than water.1 location includes the shipping cost to US. Orders of 500 pieces or greater are eligible for sea shipping. 100% guarantee for quality. Rush Service.