... up fit over sunglasses The flip up fit over sunglass is very convenient for people who wear prescription glasses.When people wear it ... dark to wear sunglass, and just flip it up, after go out of the tunnel, cover ... sunglass again for eye protection from strong sunlight.It is very light in weight, and is ... bigger quantity of the order, the better price it is.Company Information:Xiamen Jiayu Optical Co., ...