Features: Experience soothing warmth with our Eye Mask, utilizing advanced technology to reach 40°C within minutes, effectively relieving eye fatigue and dryness caused by prolonged . Featuring a portable, without water, powerless design with ergonomic soft fabric that conforms to facial contours, these mask contain natural lavender essential oil for relaxation. Ideal for office workers, frequent travelers, and anyone seeking eye care after digital device usage or during stress induced sleeplessness. Perfect for office breaks, long , bedtime routines, or post skincare to relaxation while maintaining hygiene through individual packaging. The oxygen activated -heating combines breathable woven fabric with mineral rich components like iron powder and vermiculite for consistent heat distribution and optimal moisture retention. Specifications: Component: -woven fabric, iron powder, charcoal powder, water, water-absorbent resin, sodium chloride, vermiculite Size: Approx. 11x14cm/4.33x5.51in Package Includes: 10pcs Eye Mask note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.