Ergodyne Chill-Its Cooling Towel. Advanced PVA cooling technology. Super-evaporative, feels significantly cooler than ambient air. Activates fast and easy - run under cold water for one minute. Use as a neck wrap by pulling end of wrap through slit. Wear for hours or for quick relief. Simply re-wet to reactivate. Size : 10x75cm (4x29.5in). Application: Construction, Freight/Baggage, Drilling/Mining, Iron/Steel Work, Agriculture, Solar, Landscaping/Grounds.