<br>Features: <br> <br>Lightweight and breathable: <br>This silk sleep mask can absorb healthy oxygen while maintaining dry air, allowing you to enter deep sleep comfortably, whether in the bedroom, in the tent, or in the car or on the plane, it will not oppress the eyeball when wearing it, fading without leaving any traces on the pillowcase, it can absorb healthy oxygen. <br> <br>Flexible adjustable head strap: <br>The silk sleep mask with flexible adjustable buckle and strap, so it can be easily adjusted to a comfortable size without worrying about inappropriateness, the elastic head strap will never catch your hair, bring you a very comfortable wearing feeling. <br> <br>Specifications: <br>Material: silk <br>Color: as the picture shown <br>Size: 8.07 x 3.93 inches/ 20.5 x 10 cm (eye cover) <br> <br>Package includes: <br>4 x Silk sleep eye masks <br> <br>Warm notice: <br>The colors may exist slight difference due to different screens. <br>Due to manual measurement, there might be slight errors on size, please understand. <br>Wash by hand or machine with warm water, hang to dry, do not expose the sleep mask under strong light, and do not use a dryer to dry.