Please note: transition means the color can transit from clear to dark gray not means bifocal or progressive.
The stronger of the sunlight, the darker of the lenses will be. The lenses can't change color indoor or in the car.
Frame Material: Titanium Alloy
Lens Material: Plastic
Frame Color: Silver / Black
Lens Strength: 0,+100 to +350 by Increments of 50
Gender: Women
Size: 51mm/2.01''(Lens Width), 38mm/1.50''(Lens Height), 18mm/0.71''(Bridge Size), 135mm/5.31''(Frame Width), 140mm/5.51''(Temple Length)
Package Included:1 pair of reading glasses
Note: Please allow 1-3cm differences due to manual measurement.