Description About This Article. Hypoallergenic Skin-Friendly: Made Of 100% Pure Mulberry Silk, Highest Quality Class (6A). Certified According To The Internationally Recognized Oeko-Tex Standard 100. Larger Size: This Sleeping Eye Mask Is Bigger Than Most Of The Sleeping Eye Masks On The Market, Total Blackout, Day Or Night. Adjustable Velcro Closure: The Long Adjustable Velcro Fastener And The Nose-Cut Design Suit Different People, Also Ideal For People With Insomnia, Migraines And Dry Eyes. Benefit From Total Blackout, Whether At Home, In The Hotel Or On The Plane, The Larger Eye Mask Will Not Leave You Tense. Optimal To Light: Comfortable Sleep Mask For Quiet Hours Without Disturbing The Light, E. G. Traveling By Train Plane, Napping In The Office Or After A Long-Term Trip. Care Instructions: Hand Washing Recommended.