100 cards/pack
230 gsm
To be used with printers for DIY flahscards.
(1) Before doing anything
(2) Put some water on waterproof card
(3) Put some water on non-waterproof card
(4) Zoom in on waterproof card
(5) Zoom in on non-waterproof card
(6)Compare the 2 cards after 2 hrs
