6 Pack Sleeping Glasses Square Blue Light Blocking Red Lens NR144-R100 Color:6 Pairs Mix Lens width about 1 7/8

Lens width about 1 7/8 inches(48mm)

NOT for nearsightedness (myopia)

Frame width about 5 1/2 inches (140mm)

Lens height about 11/2 inches(38mm)

BLOCKING OVER 30% BLUE LIGHT - Blue light blocking technology naturally blocks out the recommended 30% of blue light rays: do not settle

6 Pack Sleeping Glasses Square Blue Light Blocking Red Lens NR144-R100 Color:6 Pairs Mix Lens width about 1 7/8Metalless & 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. 51 inches (140mm), Lens width about 1. 97 inches (50mm), Lens height about 1. 61 inches (41mm), Bridge (DBL) about 0. 75 inches