UV Invisible Ink Contact Lenses to See Marked Cards in Cards Cheating Pupil diameter:4 mm The camera is hard to

The camera is hard to be discovered

Once you have the plastic bicycle invisible ink playing cards

you need to have a partner who can read the invisible marked decks in another room for you

First of all

It has different quality standard to meet the different needs

UV Invisible Ink Contact Lenses to See Marked Cards in Cards Cheating Pupil diameter:4 mm The camera is hard toModel UV contact lenses Pupil diameter 4 mm, 6 mm, 9 mm, 12 mm Water content 50% Validity period About 1 year Central thickness 0. 06 0. 10mm Applicable people all of the users UV marks are fluorescent but transparent, the marks can be seen only under an ultraviolet light. If there has a deck of cards with UV marks on the back, how can we see the invisible UV marks? Thanks to the modern technology, with the help of theUV invisible ink contact lenses,