Red Lens Blue Light Blocking Sleeping Glasses Metalless Spring Hinges R2601-R100 Color:Grey UV400 protective bifocal readers and

UV400 protective bifocal readers and block 100% UVA-UVB harmful rays for superior eye protection

Frame width about 5 1/14 inches (133mm)

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

Frame width about 5 3/8inches (137mm)

Strong screwless hinges - no worries about breaks or lost pieces

Red Lens Blue Light Blocking Sleeping Glasses Metalless Spring Hinges R2601-R100 Color:Grey UV400 protective bifocal readers andIdeal 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