Red Lens Metalless Sleeping Glasses for Nighttime Use Blue Blocking NR2142-R100 feed-color-Blue/Orange/Pink Lens height about 1 5/8

Lens height about 1 5/8 inches(41mm)

but titanium glasses are nickel-free and therefore less likely to cause an allergic reaction

fewer nighttime awakenings

Frame width: 5 5/16"(135mm)

97 inches (50mm)

Red Lens Metalless Sleeping Glasses for Nighttime Use Blue Blocking NR2142-R100 feed-color-Blue/Orange/Pink Lens height 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 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