The surface is made of soft silk and the interior is filled with cotton material. The smooth fabric is very skin-friendly and hypoallergenic. Ideal for those with sensitive skin, it takes care of the delicate eye area. It can also promote blood circulation in the eyes, slow down eye congestion, prevent and improve dark circles and bags under the eyes, suitable for patients with insomnia and dry eyes. High Elasticity Painless Headband Design: The high elastic headband design is suitable for different size head circumferences without tangling the hair. Different sleeping positions will not feel uncomfortable, and it is also suitable for side sleeping. Uses: Perfect for travel, yoga, naps, flying, meditation, shift work or any place where there is plenty of light, you can enjoy deep sleep anytime, anywhere. SUPER EXPERIENCE: This Sleeping Silk Eye Mask is great for migraine, insomnia, dry eye sufferers. Due to the breathability of the hypoallergenic silk, the natural fiber can absorb healthy oxygen while keeping the air dry; the sleeping mask is smooth silk that does not absorb lotion, so the sleeping mask silk does not mix with night cream or moisturizer. SPECIAL GIFT: Sleep goggles can make a great gift for your parents, wife, husband, elders, children, co-workers and others around you to sleep better and be more energetic while working or studying.