This is the weighted sleep mask that helps you fall asleep quickly and slumber more soundly. Filled with non-toxic micro plastic beads, the mask produces deep touch pressure stimulation that improves your levels of serotonin and melatonin to create an overall sense of calm. It has a patented shape that contours to your face and applies gentle, even pressure that helps you feel secure and lowers your stress. The strapless mask blocks out 100% of light, can be worn in any sleep position, and can also be cooled in a freezer. With cooling jersey cotton on one side and warm microfiber on the other. Can also be used for meditation and yoga. Blue, Gray, or Black. 29" W x 4" L. (10 oz.)