• Metalless & Screwless: No screws, no metal - just flexible, durable hinge that snap back perfectly every time. Strong screwless hinges - no worries about breaks or lost pieces.

• Ultimate Blue and Green Light Blocking: Red lenses filter out 100% of sleep-disrupting blue and green light.

• Product Dimension: Frame width about 5.63 inches (143mm), Lens width about 2.13 inches (54mm), Lens height about 1.61 inches (41mm), Bridge (DBL) about 0.75 inches (19mm), Temple length about 5.51 inches (140mm).

Ideal for nighttime screen use, late-night reading, or pre-sleep relaxation, these glasses protect your eyes and help you fall asleep faster and wake up refreshed.