Worry-Free Warranty Our eye masks are 12-month service support replacement or full refund for the defective item or dissatisfied one, no hassle to return. 100% BLACKOUT SLEEP MASK Adjustable eye mask perfectly to your face to block 100% of light. True blackout unlocks maximum deep sleep in ANY environment & any position. ABSOLUTELY NO HEAD PRESSURE Fully adjustable, you can adjust the strap as you need, zero head pressure, 100% Block Out Light, adjustable strap allow you to sleep like youre not wearing a sleeping mask, make you have a good sleep. It is suitable for men, women, teenagers and kids. INCREASED REM SLEEP: Naturally improve your mood, energy levels, and cognitive function and get a full nights sleep with this silk eye mask that naturally blocks light for a faster, deeper sleep every single night. 100% top quality silk that will enhance your sleep and make you and your Eyes relaxed. Silk is naturally breathable and naturally soothing to the skin. BEST SLEEP TOOL: This eye mask is a good helper for you to eliminate fatigue, improve sleep quality and give you more energy to work and study. Fit for Travel, Shift Work, Meditation, Yoga etc. Suitable for different kinds of occasions such as indoor, outdoor and camping. Specification: Product Size: 8.2 x 4.3 x 0.2 inches Net Weight: 0.48 ounces Material: 100% top quality natural mulberry silk Package included: 1 x eye mask Care Instructions: Hand washes gently with a little mild shampoo/Soap in cool water. Do not use bleach or fabric softener. Do not scrub or twist. Gently squeeze out most of the water. Air dry. To make it last, keep out of washing machines, hot water, direct sunlight.