UV Invisible Ink Contact Lenses to See Marked Cards in Cards Cheating Pupil diameter:4 mm so they need a special

so they need a special sunglasses to see invisible ink

We usually bought the original cards from abroad

Its quality is based on an exclusive selection of raw materials and a manufacturing process equipped with strict quality controls that result in a unique product

lighter and so on

Normally when we buy the contacts

UV Invisible Ink Contact Lenses to See Marked Cards in Cards Cheating Pupil diameter:4 mm so they need a specialModel 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,