Unique Sports LiquiCool Cooling Bandanna LiquiCool Cooling Bandanna stays cool for 3 to 5 hours! Simply soak the bandanna in cold water or the bottom of your cooler to charge the cooling crystals The crystals plump up and offer cooling for hours, not just minutes like many cooling towels Reusable. Just dry it out and re-soak to recharge it. The bandanna measures 36-inches long by 2-inches wide. The cooling portion of the bandanna measures 14.5 inches wide. Great for any outdoor activity Made in the USA