Instant Relief for hot flashes from menopausal symptoms. Cool down hot pillows for faster and deeper sleep(REM);Cool compress for hot, stressed/stiff muscles. * Cool-down office chairs or wheelchairs for extended sitting periods. * No electricity, freezing, refrigeration, or water necessary for cooling/use. * Place on bare floors, glass or wooden table tops to recharge cooling. Long lasting cooling. * 3 YEAR LIMITED WARRANTY! Great for College Students to get to sleep in warm dorm rooms.