KEEP COOL IN THE HEAT!Keeps you cool and soothes aching muscles during work or play. Simply soak in cool water for 15-30 minutes. Non-toxic crystals inside neckband absorb water and "expand" to provide hours of cooling comfort. Reuse again and again; one-size-fits-all. Wet it & Wear it All Day Long.Color: WhiteHORA3O2O1N