URGENT! HELP!

Frens~
Below are my business card design.
Giv some advises pls..

Front AFront BBack AObviously, I'm playing with materials.
As an interior designer, selection of material is important.
I always believe that material has its magic, be able to change a bad design into an awesome design!
Btw, please give some comments.
For those who doesn't own gmail account, you're welcome to send me a message in fb.
Thanks frens =)