Large Square Sleeping Glasses Red Lens Night Time Eyeglasses R2144-R100 Color:Green Lens height about 1 1/4

Lens height about 1 1/4 inches (32mm)

plastic frame with spring hinges

Lens height: 1 9/16 inches (39mm)

stainless steel frame with spring hinges

Large Square Sleeping Glasses Red Lens Night Time Eyeglasses R2144-R100 Color:Green Lens height about 1 1/4Ideal 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