High quality silk: Silk is a natural, noble and soft material. Its flexibility minimizes friction when you blink. It is non-irritating, hypoallergenic and odorless. This mask is made of high quality mulberry silk, Smooth and supple, avoids marks on the face when you wake up and prevents the appearance of dark circles and puffiness. Comfortable and breathable: This night mask is mainly made of silk cotton. After several treatments, it is soft and pleasant to the touch. It is breathable and not oppressive. It can be used all year round. Adjustable elastic band: Night sleep eye mask, adjustable design, good elasticity, easy to stretch, reduce pressure on the eyeballs and head, not easy to wrap your hair and improves the quality of your sleep. Block out light: This sleep mask is equipped with a blackout layer that blocks out light to give you peaceful and restful nights without being bothered by light. It is the ideal mask for sleeping in transport, while traveling and in a bedroom without shutters or for your relaxation and meditation sessions Effective: Take this incredibly light and comfortable sleeping mask anywhere - in bed, in flight, on a long car journey, camping - and enjoy uninterrupted, deep and restful sleep. Ultra-thin elastic straps, suitable for all head sizes.