- JroyJoy sleep masks in a pack of 4 units, suitable for women and men - Made of ultra-soft satin silk, they protect the skin and prevent signs of aging - 100% blackout: block light to ensure deep and restorative sleep - Adjustable elastic strap, comfortably fits any head size without tangling - Ergonomic, lightweight, and breathable design, ideal for side sleeping or any position - Reduces eye fatigue and improves sleep quality, perfect for travel, night shifts, or daytime rest - Pleasant-to-the-touch material, minimizes pressure and friction around the eye area - Helps you fall asleep quickly and maximizes rest time