Ergodyne Chill-Its 6602 Evaporative Cooling Towel uses a super evaporative PVA material to soak up moisture and provides instant cooling relief. Our thicker towel allows for more water absorption and longer cooling than competitive brands. Can be used for hours or for quick relief. Reusable, just re-wet to activate. Great for outdoor activities, camping, yoga, baseball, softball, soccer, running, biking, days at the beach or on a boat, golf, landscaping, yard work, construction job sites, fishing, gardening, hiking.