ice neck tie/headwrap factory Ice Neck Tie( Neck Cooler)ideal for summer or in hot weatherUsage: 1, For the first time, put the neck cooler in the water for 7 - 8 minutes, the product will naturally expand.2, Take it out and sweep the surface with a dry towel, and uniform the bulge part, then it can be put on the neck, head and so on, elastic adjustable. ice neck tie(neck cooler supplier)