VÉNERA silk eye mask is made of the highest grade (6A) long fiber 22 Momme 100% pure mulberry silk on both sides. VÉNERA Silk Sleep Mask is filled with 100% mulberry silk, super soft, smooth, breathable, comfortable and hypoallergenic. Completely blocks out light and effectively improves your sleep, enjoy the best relaxation moment. Top quality silk sleeping mask will improve your sleep quality and make you and your eyes relaxed. Ideal for insomnia, migraine headaches, meditation, Yoga, travel, home, hotel, train , flight or anywhere where one is bothered by light nap. Help to improve getting long REM sleep every night. Silk eye mask eliminates interference, so that you have a comfortable, quiet sleep. At the same time, it can promote blood circulation, slow eye congestion, prevent dark circles and bags under the eyes. Ideal for dry-eye sufferers, as the breathable, natural fibers of silk allows healthy oxygen in while keeping dry air out. Helps improve sleep, alleviate puffy eyes.