About this item: - **Blackout Mask**: Designed to block out 100% of light, its ergonomic contour ensures a perfect fit for any nose size, delivering complete blackout. - **Eye Comfort First**: The 3D contoured shape means zero pressure on your eyes, allowing for blinking and ensuring your eye makeup remains untouched. Boosts REM sleep. - **Easy & Gentle Adjustability**: With an improved buckle system, this headband adjusts painlessly from 18.5 to 27.5 inches, without tangling hair or catching on pillows. - **Sleep Your Way**: Designed for every type of sleeper—whether you're a back, side, or stomach sleeper. Its tailored sides stay put, ensuring zero temple pressure. - **Elevate Your Sleep**: Enhance your rest and recharge more efficiently. Ideal for travel, meditation, yoga, shift work, and more. Versatile for both indoor and outdoor use, even while camping.