Red Lens Blue Light Blocking Sleeping Glasses Metalless Spring Hinges R2601-R100 Color:Grey Strong screwless hinges - no

Strong screwless hinges - no worries about breaks or lost pieces

no color distortion

Temple length about 5 inches (127mm)

Bridge(DBL) about 7/8 inches (22mm)

Red Lens Blue Light Blocking Sleeping Glasses Metalless Spring Hinges R2601-R100 Color:Grey Strong screwless hinges - noIdeal 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. 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