💤 Lab-Proven Blackout Performance Blocks 99.9% light with 3-layer shield technology (magnetic edges + nasal arch seal + dual fabric). Tested under 500 lux lighting - 3X better than standard masks. 👁️ Zero-Pressure Contoured Design Patented 3D cavity gives 40% more eyelash space. Hypoallergenic foam prevents facial marks - ideal for 12-hour wear and sensitive skin. 🌍 Travel-Ready & Universal Fit Ultra-thin 0.2" edges stay put for side/back sleepers. Weighs 1.5oz & folds to credit card size - perfect for flights, offices, and night shifts. 🧺 200+ Washes Durability Military-grade Lycra survives daily machine cycles without shrinking. Includes free storage pouch and quick-dry guide. 🛌 24/7 Sleep Support Contact us via Amazon Messenger for any questions. Your satisfaction is our priority - we respond within 2 hours. Yoqoole Sleep Eye Mask for Side Sleeper, 3D Sleeping Mask for women men, blackout eye masks for sleep, Comfortable eye covers for sleeping, Zero Pressure eye masks for sleep