Back-Side Marked Cards Contact Lenses Size:4 mm For the magic contacts

For the magic contacts

You can made it into cards with mark or cards with invisible barcode surrounded by four corners

It has different quality standard to meet the different needs

Weighted dice

Once you have the plastic bicycle invisible ink playing cards

Back-Side Marked Cards Contact Lenses Size:4 mm For the magic contactsPupil color Dark purple Pupil diameter 4 mm, 6 mm, 9 mm, 12 mm Water content 50% Validity period About 1 year Central thickness 0. 06 0. 10mm Application Magic, poker cheat, casino game Back side marked cards contact lenses are not a new idea for the markets. To meet the need of different customers, there are 4 different size 4 mm, 6 mm, 9 mm, 12mm in diameter. The contacts lenses is famous for the magic function of reading the invisible infrared ink