6 Pack Pilot Night Time Glasses Blue Green Light Blocking R2312-R100 Magnification Strength:without magnification Q: Are they suitable for

Q: Are they suitable for daytime use

Bridge (DBL) about 1 1/16 inch (17mm)

Protective CaseProtect your Glasseslength:6 1/2"(165mm)

Q4: How long do the lenses last

79 inches (20mm)

6 Pack Pilot Night Time Glasses Blue Green Light Blocking R2312-R100 Magnification Strength:without magnification Q: Are they suitable forMetalless & 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. 63 inches (143mm), Lens width about 2. 17 inches (55mm), Lens height about 1. 81 inches (46mm), Bridge (DBL) about 0. 67 inches