THERMO-COOL COOLING NECK WRAP - ARMY ACU DIGITAL - MADE IN THE USA Color: Army ACU Digital/Reverses to black. Measures: 28"L x 3 "W Velcro strip closure adjusts to any size neck Just soak in cool water for 3 to 5 minutes to activate Reusable over and over again No Crystals, No Beads...Utilizes Thermo-Cool Technology