Pilot Red Lenses Blue Green Light Blocking Glasses for Better Sleep NR2309-R100 Magnification Strength:without magnification [UNIQUE PATENT] - METALLESS &

[UNIQUE PATENT] - METALLESS & SCREWLESS Spring Hinges reading glasses are an ingenious design from EYEKEPPER

completely suppressing their natural sleep signals

Polycarbonate Lens

Bridge(DBL) about 7/16 inches (12mm)

Is your child tossing and turning for an hour after using an iPad

Pilot Red Lenses Blue Green Light Blocking Glasses for Better Sleep NR2309-R100 Magnification Strength:without magnification [UNIQUE PATENT] - METALLESS &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 Dimension: Frame width about 5. 59 inches (142mm), Lens width about 2. 13 inches (54mm), Lens height about 1. 73 inches (44mm), Bridge (DBL) about 0. 67 inches