This kind of contact lenses, the material is from China and also the lenses are made in China. With this contact lenses you can see the invisible ink marked cards clearly.
Oxygen permeability coefficient
For the crowd
2 pcs / box
There are 2 color of this lenses, blue and red.
The contact lenses, the lenses diameter is 14mm and center thickness is 0.06mm, base curve 8.4mm. The colored area of this contact lenses, 4mm just covered the pupil, and 7mm or 9mm covered the iris. Different eye color can choose different contact lenses so that will not change eye color a lot.