The perfect, long lasting gel' neck-tie' to help you cool down. Cools your body temperature as it touches your skin. Wear around your neck or head to prevent over-heating, relieve tension or headaches. Working outside this summer ? Kids in sports? Do you work in a hot space, or work out during the week? Try this by soaking for 5 minutes in tap water. Wear as needed ... this will remain effective for several days. Reusable if you allow neck tie to dry out, then dip in water again.