SOFT MATERIAL - This smooth eye mask relaxes your eyes. It's lightweight and breathable, so you barely feel it.Convenient Elastic Strap - With the smooth elastic strap, you can easily wear the mask over your eyes and have a good dream.Blocks 70% of Light - Thick enough to block about 70% of annoying light, making you feel like you're sleeping in the dark (light-colored eye masks don't block all light, choose black/navy blue ones).Deep Sleep Anywhere - You can use this sleep relaxation mask anywhere, such as in bed, on a flight, on a long car ride, or camping. You can use it at home, in your hotel or on the train. Eyes won't dry out - perfect for those suffering from insomnia and dry eye syndrome as the breathable natural material allows healthy oxygen in. Helps improve sleep and relieve puffy and swollen eyes.