Cat-eye Blue & Green Light Blocking Glasses Red Lens Sleep Glasses R2514-R100 Color:Black Lens width about 1 5/8

Lens width about 1 5/8 inches (42mm)

ensuring all-day comfort without pinching

stainless steel frame without spring hinges

Q5: How long do the lenses last

✔ UV Protection – Protect your eyes during driving and outdoor use

Cat-eye Blue & Green Light Blocking Glasses Red Lens Sleep Glasses R2514-R100 Color:Black Lens width about 1 5/8Ideal 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