Lustrous Mulberry Silk surface Blocks out light for easy rest Lightweight with adjustable fit This luxuriously soft eye mask in Black is made from 100% Mulberry Silk - perfect for anyone who wants a good beauty sleep! With an adjustable fastener in the back, these masks are light-weight, cool, smooth, and breathable, and can be easily stowed in a bag when travelling Our blackout masks thoroughly block out the light and can be used for sleeping, napping, yoga, or meditation, letting you feel at peace in any space Fabrication: 100% Mulberry Silk CERTIFICATIONS: OEKO-TEX® Certified This product has been verified in an independent laboratory and tested for harmful substances according to STANDARD 100 by OEKO-TEX® Certification number: BJ025 172302 TESTEX ITEMS AVAILABLE (in stores & online): Each eye mask sold separately Size: 27" W x 45" L SKU: SMSIEM25BK Washing Instructions: Gently wash by hand; use mild soap or detergent if necessary Do not tumble dry, bleach, iron, or dry clean Occasionally sun cure the mask by airing it out indirectly under the sun for less than an hour This process will dry out moisture that the silk absorbed making it fluffier and lighter. QE Home 100% Mulberry Silk Blackout Sleep Mask in Black