OccuNomix 902-153 MiraCool Cooling Poncho Vest, Regular, Beige The ORIGINAL MiraCool Crystal 902 Cooling Poncho by OccuNomix, using 100% Cotton with super absorbent polymer crystals. INSTANT AND LONG LASTING COOLING RELIEF: Soak in cold water 2-5 minutes or until plump. Can last for up to 8 hours on a single soak. Simply re-wet to increase cooling duration. REUSABLE: Product can be re-used hundreds of times. Just re-soak to activate. MACHINE WASHABLE, line dry. WIDE VARIETY OF USES: Reduces the effect of heat exhaustion and fights fatigue while working or playing in hot environments. Avoid oversoaking or oversaturating. Secure around your body with expandable side buckles for cooling relief.