22MM silk sleep mask with the wide elastic band

-Cover material: 100% 6A high quality pure mulberry silk - Filling: 100% pure and natural long-strand silk. -Size: 21x8cm - Elastic band: 43 (min) to 61 (max) cm If you suffer from disorders or dry eye skin, the light is too bright when sleeping, or you travel a lot, etc.Silk is rich in 18 amino acids, hypoallergenic and anti-aging, ideal for skin care and health.   The silk fabric helps keep moisture close to the skin and prevent it from drying out overnight.