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YB Marked Cards
Invisible Ink Contact Lenses
Invisible Ink Contact Lenses for Cheating Playing Cards For Win The Game
1. The best suitable situation is under the white light, especially the energy-saving light.
2. Please make sure to wash your hands before wear the contact lenses in case of infecting your eyes.
3. Before playing the poker games with contact lenses, it is better wear the glasses about several hours for adapting.
4. It’s better to wear them less than 8 hours per days.
5. Thr best way to save them is keeping them in contact lenses solution.
Diameter : 13.8mm
Center thickness : 0.04 mm
Center diameter : 6mm, 8mm, 11mm
Base curve : 8.6mm
Water content : 100%
Material : HEMA
Obtained FDA,ISO9001,EN46001 Such as a number of international quality system certification. And a number of product patents, Manufacturing technology patent, Grinding patent, Known as artificial cornea.
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