Opal Cool sells cool therapy products that bring relief to women. Their products are made in the USA and designed by women for women. They've got everything from eye masks to cooling pads and more. What makes their products unique? Opal Cool products are made of plant-based cooling tech that's safer than ice and can stay cool for up to an hour or more. According to their site, these products are great for women dealing with hot flashes, heat stress, or even multiple sclerosis. Plus, their products are clinically tested, physician recommended, and FDA registered as class I medical devices.