Manta Sleep Pro Sleep Mask is a specially designed sleep accessory for side sleepers, featuring proprietary C-shaped eye cups that sit flat against your temples, eliminating pressure and discomfort. Its advanced 'air bubble' technology ensures a perfect blackout seal without bulk, even when switching positions during sleep. Crafted from breathable, ventilated materials, it promotes optimal skin temperature and airflow, preventing overheating and moisture buildup. The mask's fully adjustable straps and eye cups allow a seamless, personalized fit, ensuring maximum comfort for long-term use. Made of premium, fast-drying materials, it combines durability with softness, making it ideal for travel, shift work, or everyday use. Arrives factory-sealed, with all duties paid, in 11-13 days.