Questions you care about:
1. Ask: If the inkjet pvc card double side printable ?
2. Ask: If need the specifical ink ?
Reply: No, Normal dye ink or pigment ink you use as usual.
3. Ask: If I could sign my name on the card ?
Reply: yes,you could write any word on the card with any type of the pen.
4. Ask: if you have scratch on the surface of card ?
Reply: no, the surface are very smooth.
5,Ask: This card if waterproof ?
Reply: yes, It waterproof,we have tested it .
6, how long can we use after we print it .