[Season Smart]: The weighted eye mask features crystal super soft plush for a warming touch and bamboo fiber for a cooling sensation; embedded with non-toxic and non-irritating glass bead bag to help pressure relief and muscle relaxation, also can be used in microwave and zer, treat your eyes to a hot and cold spa to relax and refresh. .[Fully Adjustable Elastic Band]: Flexible Velcro strap, ergonomically designed to conform to your head and face, keeps the mask in place for hours of sleep. Wear it for naps or all night long to get quality sleep anytime, anywhere. It is recommended to remove the inner tank if you wear it for a long time to sleep at night. .[Removable Bead Bag]: The glass bead bag massages the muscles around the eyes to relieve fatigue and promote deep sleep with deep touch pressure; Remove the bag and use the mask alone as a perfect shading pillow. .[Easy Care]: Cozyinght's weighted eye mask is designed with a high-quality zipper that opens and closes smoothly, making inner bag replacement and mask cleaning super convenient; both hand and machine washable. .[Why Choose the Brand?]: Focuses on the research and design of sleep eye masks to help people improve their sleep quality. If you are not satisfied, please feel to us, we promise we will try our to solve your problems. Also, we would be very grateful if you could give us some suggestions.