Red Lenses Blue Green Light Blocking Glasses for Better Sleep R2512-R100 Color:Black Plastic lens

Plastic lens

Bridge (DBL) about 11/16 inches (18mm)

Width of the forehead frame: 13

Bridge (DBL)about 1/2 inches (13mm)

these customizable reading glasses allow you to select different lens powers for your left and right eye

Red Lenses Blue Green Light Blocking Glasses for Better Sleep R2512-R100 Color:Black Plastic lensIdeal 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