6 Pack Sleeping Glasses with Blue & Green Light Blocking Red Lens Eyeglasses NR2019-R100 Magnification Strength:without magnification stays comfortable during extended wear

stays comfortable during extended wear

Bridge (DBL) about 3/4 inches (19mm)

Hypoallergenic Option: The absence of metal screw not only

they are specifically designed to fit comfortably over most eyewear frames

these readers can be disposed of directly without the need to separate metal components

6 Pack Sleeping Glasses with Blue & Green Light Blocking Red Lens Eyeglasses NR2019-R100 Magnification Strength:without magnification stays comfortable during extended wearMetalless & 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. 51 inches (140mm), Lens width about 1. 93 inches (49mm), Lens height about 1. 46 inches (37mm), Bridge (DBL) about 0. 75 inches