NASA Sleep Mask with LightBlock™ Barrier

Experience complete darkness and pressure-free comfortable rest with the NASA Sleep Mask with LightBlock™ Barrier, engineered as a precision light shield for deep, uninterrupted rest at home or while traveling. Tested under 10,000-lux exposure, the LightBlock™ barrier delivers 100% blackout, making this eyemask ideal for plane travel, daytime naps, and light-sensitive sleepers.The zero-pressure 3D eye cup design creates space for natural blinking and protects eyelashes and lash extensions, making it suitable for side sleepers, back sleepers, and CPAP users. Unlike flat or weighted masks, this design avoids eye pressure while maintaining full coverage. The contoured shape stays in place without shifting, even during long flights.Soft low-rebound memory foam paired with a breathable poly-spandex cover helps regulate temperature, offering a cooling sleep mask feel that limits heat buildup during extended wear. Lightweight construction keeps the mask comfortable without added weight, making it ideal for overnight use, travel packs, or daily rest routines.An adjustable elastic strap with a steel adjuster provides a secure, snag-free fit for all head sizes. Finished with genuine official NASA branding, this sleep mask comes in a premium magnetic gift box, combining ergonomic performance with collectible appeal. Whether used as a travel sleep mask, blackout eyemask, or everyday sleep accessory, it delivers reliable comfort and total darkness for better rest.

• LIGHTBLOCK BARRIER: Lux-tested under 10,000-lux exposure, blocking 100% of direct light for complete blackout.
• ZERO-PRESSURE DESIGN: Deep 3D eye cups preserve natural blinking space and protect eyelashes, reducing facial pressure for side and back sleepers.
• COMFORT FOAM: Low-rebound memory foam with breathable poly-spandex cover stays cool, limiting heat build-up during extended wear.
• ADJUSTABLE FIT: Ergonomic elastic strap (19″-31″) with steel adjuster ensures a secure, snag-free fit across all head sizes, unisex.
• OFFICIAL NASA: Genuine NASA sleep mask in premium magnetic gift box, combining certified ergonomic design with authentic collectible branding.