1. Remove the sleep mask from its packaging. 2. Adjust the eye cups and head strap for a personalized fit. 3. Place the sleep mask over your eyes, ensuring the C-shaped eye cups sit flat against your temples. 4. Use the hook and loop closure to secure the mask around your head. 5. For side sleepers, the mask’s slim angled strap and eye cups should provide unbeatable comfort. 6. The ventilated, cooling materials allow air to move freely through the mask, optimizing your skin temperature. 7. The 100% blackout eye cups block all light, even in broad daylight, ensuring deep, uninterrupted sleep. 8. The sleep mask is 100% machine washable and comes with a case/wash bag for easy cleaning and storage.