Red Lens Metalless Stylish Sleeping Glasses Night Time Use Blue Blocking NR2011-R100 Color:Black 30% Blue light blocking lenses

30% Blue light blocking lenses

ensuring all-day comfort without pinching

79 inches (19mm)

Lens width about 1 13/16 (46mm)

Red Lens Metalless Stylish Sleeping Glasses Night Time Use Blue Blocking NR2011-R100 Color:Black 30% Blue light blocking lensesMetalless & Screwless: No screws, no metaljust flexible, durable hinge that snap back perfectly every time. Strong screwless hingesno 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. 35 inches (136mm), Lens width about 2. 01 inches (51mm), Lens height about 1. 61 inches (41mm), Bridge (DBL) about 0. 71 inches (18mm),