A steam-circulating eye mask for a positive circulation! The steam circulation design relaxes your mind & promotes comfort. Enjoy the comfort of a bath at Approx. 40°C. Comfortable for Approx. 20 minutes. Made with extra-thick soft nonwoven fabric that retains steam for Approx. 1.5 times the heat retention (compared to our previous products). Expands for a snug fit. Provides ample steam for hard-working eyes. Warms up just by opening. Unisex size. Hinoki scent (natural essential oils blended into the fragrance). A great daily habit for various occasions.