Features Great for running, hiking or any hot outdoor activity 30-60 mins of cooling with flared opening to refill on longer runs Flip over (ice pocket opening on inside) for extra cooling Adjustable snaps fit most necks (32-41cm circumference) Features artwork by Hong Kong artist, Yvonne Chan Composition: 98% recycled polyester, 2% spandex (UPF100+) Instructions Fill the T8 Neck Cooler with regular freezer or supermarket ice, then wrap around the back of the neck and fasten with the snaps at the front. The fit should be comfortable but firm, and can be tightened for bouncing or melted ice. As the ice melts, flip the bandana so the ice pocket opening is against the neck for thinner insulation and better cooling. When the ice is finished, remove and pocket. Machine washable.