The Ergodyne Evaporative Cooling Bandana/Headband has a tie closure. The bandana can be activated by soaking in water for 2-5 minutes, it then remains hydrated for up to 4 hours. The headband is re-usable: just soak in water to re-activate. Ideal for Construction, Trade, Maintenance, Landscaping/Grounds Assembly, Fabrication Material Handling, Freight/Baggage Warehousing/Distribution and Iron/Steel Fabrication.